Geen fotobeschrijving beschikbaar.

Dit is ons nieuw hondje Kira, een kruising van een waterhond en een Podenko. Ze is sinds 7 februari 2024 bij ons en druk bezig ons hart te veroveren. Het is een lief, aanhankelijk hondje, dat zich op een week snel aan ons heeft aangepast. Ze is heel vinnig en nieuwsgierig, een heel ander hondje dan Noleke.

This is our new dog Kira, a cross between a water dog and a Podenko. She has been with us since February 7, 2024 and is busy winning our hearts. She is a sweet, affectionate dog who quickly adapted to us within a week. She is very quick and curious, a very different dog than Noleke.

Carl Sagan Space GIF by Feliks Tomasz Konczakowski

X Files Ufo GIF by SeeRoswell.com

1990: Petit-Rechain, Belgium triangle UFO photograph - Think AboutIts

Ufo Pentagon GIF

ufo abduction GIF by Ski Mask The Slump God

Flying Sci-Fi GIF by Feliks Tomasz Konczakowski

Season 3 Ufo GIF by Paramount+

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PETER2011

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Beste bezoeker, bedankt voor uw bezoek.

Dear visitor, thank you for your visit.

Cher visiteur, je vous remercie de votre visite.

Liebe Besucher, vielen Dank für Ihren Besuch.

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Inhoud blog
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    The purpose of  this blog is the creation of an open, international, independent and  free forum, where every UFO-researcher can publish the results of his/her research. The languagues, used for this blog, are Dutch, English and French.You can find the articles of a collegue by selecting his category.
    Each author stays resposable for the continue of his articles. As blogmaster I have the right to refuse an addition or an article, when it attacks other collegues or UFO-groupes.
     

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    Deze blog is opgedragen aan mijn overleden echtgenote Lucienne.

    In 2012 verloor ze haar moedige strijd tegen kanker!

    In 2011 startte ik deze blog, omdat ik niet mocht stoppen met mijn UFO-onderzoek.

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    Een interessant adres?
    UFO'S of UAP'S, ASTRONOMIE, RUIMTEVAART, ARCHEOLOGIE, OUDHEIDKUNDE, SF-SNUFJES EN ANDERE ESOTERISCHE WETENSCHAPPEN - DE ALLERLAATSTE NIEUWTJES
    UFO's of UAP'S in België en de rest van de wereld
    In België had je vooral BUFON of het Belgisch UFO-Netwerk, dat zich met UFO's bezighoudt. BEZOEK DUS ZEKER VOOR ALLE OBJECTIEVE INFORMATIE , enkel nog beschikbaar via Facebook en deze blog. Verder heb je ook het Belgisch-Ufo-meldpunt en Caelestia, die prachtig, doch ZEER kritisch werk leveren, ja soms zelfs héél sceptisch... Voor Nederland kan je de mooie site www.ufowijzer.nl bezoeken van Paul Harmans. Een mooie site met veel informatie en artikels. MUFON of het Mutual UFO Network Inc is een Amerikaanse UFO-vereniging met afdelingen in alle USA-staten en diverse landen. MUFON's mission is the analytical and scientific investigation of the UFO- Phenomenon for the benefit of humanity... Je kan ook hun site bekijken onder www.mufon.com. Ze geven een maandelijks tijdschrift uit, namelijk The MUFON UFO-Journal. Since 02/01/2020 is Pieter ex-president (=voorzitter) of BUFON, but also ex-National Director MUFON / Flanders and the Netherlands. We work together with the French MUFON Reseau MUFON/EUROP. ER IS EEN NIEUWE GROEPERING DIE ZICH BUFON NOEMT, MAAR DIE HEBBEN NIETS MET ONZE GROEP TE MAKEN. DEZE COLLEGA'S GEBRUIKEN DE NAAM BUFON VOOR HUN SITE... Ik wens hen veel succes met de verdere uitbouw van hun groep. Zij kunnen de naam BUFON wel geregistreerd hebben, maar het rijke verleden van BUFON kunnen ze niet wegnemen...
    09-08-2022
    Klik hier om een link te hebben waarmee u dit artikel later terug kunt lezen.The Voyager probes are not fully powering down ... yet

    The Voyager probes are not fully powering down ... yet

    NASA plans for the missions to continue into the 2030s.

    09-08-2022 om 21:46 geschreven door peter  

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    Categorie:ASTRONOMIE / RUIMTEVAART
    Klik hier om een link te hebben waarmee u dit artikel later terug kunt lezen.Astronomers Capture the Sharpest Image yet of a Monster Galaxy 12.4 Billion Light Years Away

    Astronomers Capture the Sharpest Image yet of a Monster Galaxy 12.4 Billion Light Years Away

    Astronomers Capture the Sharpest Image yet of a Monster Galaxy 12.4 Billion Light Years Away

    A team of scientists obtained a magnificent photograph of a faraway galaxy, reminding us all how little we are in the grand scheme of things.

    This monster galaxy’ is around 12 billion light-years away from Earth and produces new stars 1,000 times faster than our own Milky Way galaxy.

    Scientists utilized the £1.1 billion ALMA Observatory in Chile to capture views of the galaxy with a resolution ten times better than any previous attempt, naming it ‘COSMOS-AzTEC-1.’

    The measurements revealed previously unknown information on the structure of this starburst galaxy, which is thought to have originated in the first billion years following the big bang.

    Monster galaxies, or starburst galaxies, form stars at a startling pace; 1000 times higher than the star formation in our Galaxy. But why are they so active? To tackle this problem, researchers need to know the environment around the stellar nurseries. Drawing detailed maps of molecular clouds is an important step to scout a cosmic monster.

    Tadaki and the team targeted a chimerical galaxy COSMOS-AzTEC-1. This galaxy was first discovered with the James Clerk Maxwell Telescope in Hawai`i, and later the Large Millimeter Telescope (LMT) in Mexico found an enormous amount of carbon monoxide gas in the galaxy and revealed its hidden starburst. The LMT observations also measured the distance to the galaxy, and found that it is 12.4 billion light-years.

    Monster galaxy COSMOS-AzTEC-1 observed with ALMA. ALMA revealed the distribution of molecular gas (left) and dust particles (right). In addition to the dense cloud in the center, the research team found two dense clouds several thousand light-years away from the center. These dense clouds are dynamically unstable and thought to be the sites of intense star formation.

    (Credit: ALMA (ESO/NAOJ/NRAO), Tadaki et al.)

    Unstoppable Monster in the Early Universe

    Artist’s impression of the monster galaxy COSMOS-AzTEC-1. This galaxy is located 12.4 billion light-years away and is forming stars 1000 times more rapidly than our Milky Way Galaxy. ALMA observations revealed dense gas concentrations in the disk, and intense star formation in those concentrations.

    Credit: National Astronomical Observatory of Japan

    Astronomers obtained the most detailed anatomy chart of a monster galaxy located 12.4 billion light-years away. Using the Atacama Large Millimeter/submillimeter Array (ALMA), the team revealed that the molecular clouds in the galaxy are highly unstable, which leads to runaway star formation. Monster galaxies are thought to be the ancestors of the huge elliptical galaxies in today’s Universe, therefore these findings pave the way to understand the formation and evolution of such galaxies.

    “One of the best parts of ALMA observations is to see the far-away galaxies with unprecedented resolution,” says Ken-ichi Tadaki, a postdoctoral researcher at the Japan Society for the Promotion of Science and the National Astronomical Observatory of Japan, the lead author of the research paper published in the journal Nature.

    Researchers have found that COSMOS-AzTEC-1 is rich with the ingredients of stars, but it was still difficult to figure out the nature of the cosmic gas in the galaxy. The team utilized the high resolution and high sensitivity of ALMA to observe this monster galaxy and obtain a detailed map of the distribution and the motion of the gas. Thanks to the most extended ALMA antenna configuration of 16 km, this is the highest resolution molecular gas map of a distant monster galaxy ever made.

    “We found that there are two distinct large clouds several thousand light-years away from the center,” explains Tadaki. “In most distant starburst galaxies, stars are actively formed in the center. So it is surprising to find off-center clouds.”

    The astronomers further investigated the nature of the gas in COSMOS-AzTEC-1 and found that the clouds throughout the galaxy are very unstable, which is unusual. In a normal situation, the inward gravity and outward pressure are balanced in the clouds. Once gravity overcomes pressure, the gas cloud collapses and forms stars at a rapid pace. Then, stars and supernova explosions at the end of the stellar life cycle blast out gases, which increase the outward pressure. As a result, the gravity and pressure reach a balanced state and star formation continues at a moderate pace. In this way star formation in galaxies is self-regulating. But, in COSMOS-AzTEC-1, the pressure is far weaker than the gravity and hard to balance. Therefore this galaxy shows runaway star formation and has morphed into an unstoppable monster galaxy.

    The team estimated that the gas in COSMOS-AzTEC-1 will be completely consumed in 100 million years, which is 10 times faster than in other star forming galaxies.

    But why is the gas in COSMOS-AzTEC-1 so unstable? Researchers do not have a definitive answer yet, but galaxy merger is a possible cause. Galaxy collision may have efficiently transported the gas into a small area and ignited intense star formation.

    “At this moment, we have no evidence of merger in this galaxy. By observing other similar galaxies with ALMA, we want to unveil the relation between galaxy mergers and monster galaxies,” summarizes Tadaki.

    Publication: K. Tadaki, et al., “The gravitationally unstable gas disk of a starburst galaxy 12 billion years ago,” Nature volume 560, pages 613–616 (2018)

    { https://scitechdaily.com/ }

    09-08-2022 om 21:20 geschreven door peter  

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    Categorie:ASTRONOMIE / RUIMTEVAART
    Klik hier om een link te hebben waarmee u dit artikel later terug kunt lezen.LATEST UFO SIGHTINGS AND VIDEOS

    LATEST UFO SIGHTINGS AND VIDEOS

    Triangular Shaped UFO REC Lurking In Storm Clouds!!(UFO SIGHTING)

    Triangular shaped UFO hiding in storm clouds over Pekin Illinois! Video

    Source

    RELATED VIDEOS ( peter2011)

     }

    https://www.youtube.com/ }

    09-08-2022 om 20:51 geschreven door peter  

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    Categorie:LATEST ( UFO ) VIDEO NEWS ( ENG)
    Klik hier om een link te hebben waarmee u dit artikel later terug kunt lezen.China's ambitious plan to find the first Earth 2.0
    Despite several high profile missions to find an Earth-like planet orbiting a Sun-like star, astronomers have failed to find one. Now the Chinese are launching their own space telescope to hunt for Earth 2.0.
    Earth2.0
    Aleksandr Kukharskiy/Shutterstock

    The Kepler Space Telescope made some of the most exciting discoveries in astronomy. Launched in 2009, the telescope observed 13 million stars until 2018, when it was de-activated.

    During that time, Kepler discovered over 2600 planets orbiting other stars. Some were entirely unlike anything in our Solar System, forcing astronomers to invent two new classes of planet. One or two of Kepler’s discoveries even orbit in the habitable zone of their parent star, albeit around red dwarf stars that are rather different from our Sun. This was hugely exciting because this temperate region in which liquid water can exist has conditions thought crucial for the existence of life.

    But for all that, Kepler ultimately failed. Its mission was to find another Earth, in other words an Earth-like planet orbiting a Sun-like star. But in nearly a decade of observations, Kepler found not a single Earth 2.0.

    That was partly because Sun-like stars turned out to be noisier than expected and so required longer observation times. But also because in 2013, two of the observatory’s four reaction wheels broke down, making long-term observations impossible. As a result, astronomers have yet to find an alien Earth.

    Scanning the Heavens

    That could now change thanks to a Chinese mission called Earth 2.0 due to be launched in 2026. This mission will scan the heavens for Earth-like planets orbiting Sun-like stars with instruments designed to cope with the star-noise that Kepler unexpectedly discovered.

    The team involves some 300 scientists and engineers from over 40 institutions, most in China. And this week, the collaboration published a detailed description of the mission on the arXiv.

    One problem for any space observatory is to cover as a wide a field-of-view as possible while minimizing the cost and weight of the spacecraft. The Chinese team solved this problem by avoiding the cost and weight of a single giant telescope.

    Instead, the spacecraft will carry six smaller 30cm telescopes that together will observe a similar area of sky as Kepler, which had a 1.4-meter mirror. These telescopes will look for the characteristic changes in star brightness as a planet passes in front of it.

    The spacecraft will also carry a seventh telescope designed to look for microlensing events in which the gravitational field of a star focuses the light from a distant star behind it, temporarily brightening it. By studying the pattern of brightness, astronomers can tell if the star has an orbiting planet.

    This seventh instrument will also be able to spot free floating planets, thereby helping to cast some light on these strange, lonely objects.

    Data Firehose

    The Chinese team’s plan is to launch Earth 2.0 to the L2 Lagrange point, one of several regions of space where the Earth and Moon’s gravitational fields are in balance, and away from Earth’s potential interference. L2 is a popular choice for observatories and home to several past and present, such as the Herschel Space Observatory and the James Webb Space Telescope. The Earth 2.0 spacecraft will orbit L2 over the course of 4 years, sending back some 169 Gb of data every day.

    That raises the prospect of some mouth-watering discoveries. “Simulations show that the transit survey will be able to detect ∼ 29,000 new planets, including ∼ 4,900 Earth-sized planets,” the team say. That means the mission should detect between and 10 and 20 Earth 2.0s by 2030.

    The discovery of the first Earth 2.0 is likely to be one of the defining moments in the history of astronomy. It is likely to create huge interest in the nature of these planets, the make-up of their atmospheres and the potential presence of water. Then there will be the search for biomarkers suggesting the presence of life, molecules like methane and oxygen, and the characteristic light absorption patterns of photosynthesis. Beyond that will be the search for technosignatures that might indicate the presence of a civilization, signals such as industrial pollutants like chlorofluorocarbons and even narrowband radio transmissions.

    Of course, Earth 2.0 isn’t the only mission capable of spotting an alien Earth. Several others have the capability, such as ESA’s Plato mission which will also be launched in 2026. But these will have to be luckier than Earth 2.0 to be successful.

    That sets the scene for an exciting international race to discover an “other Earth” and the beginning of a new era in the study of potentially habitable planets.

    Reference:

    RELATED VIDEOS, selected and posted by peter2011

    09-08-2022 om 18:48 geschreven door peter  

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    Categorie:ASTRONOMIE / RUIMTEVAART
    Klik hier om een link te hebben waarmee u dit artikel later terug kunt lezen.UFOs – Ultra-red Flattened Objects – revealed by Webb

    UFOs – Ultra-red Flattened Objects – revealed by Webb

    09-08-2022 om 18:28 geschreven door peter  

    0 1 2 3 4 5 - Gemiddelde waardering: 0/5 - (0 Stemmen)
    Categorie:ASTRONOMIE / RUIMTEVAART
    Klik hier om een link te hebben waarmee u dit artikel later terug kunt lezen.New faint, distant and cold brown dwarf discovered

    New faint, distant and cold brown dwarf discovered

    Image cutouts of GLASS-JWST-BD1.
    Credit: Nonino et al., 2022.

    Using the James Webb Space Telescope (JWST), an international team of astronomers have detected a new faint, distant, and cold brown dwarf. The newly found object, designated GLASS-JWST-BD1, turns out to be about 31 times more massive than Jupiter. The discovery was detailed in a paper published July 29 on arXiv.org.

    Brown dwarfs are intermediate objects between planets and stars. Astronomers generally agree that they are substellar objects occupying the mass range between 13 and 80 Jupiter masses. One subclass of  (with effective temperatures between 500 and 1,500 K) is known as T dwarfs, and represents the coolest and least luminous substellar objects so far detected.

    Studies of T dwarfs could help astronomers better understand objects near the disputed planet/star boundary, for instance, giant exoplanets. However, although many brown dwarf have been detected to date, T dwarfs are not so common, as only about 400 such objects have been identified.

    Now, a group of astronomers led by Mario Nonino of the Astronomical Observatory of Trieste in Italy, reports the finding of a new brown dwarf that is most likely of T dwarf subclass. The discovery was made as part of the Through the Looking GLASS (GLASS-JWST) project—a JWST Early Release Science (ERS) program targeting the massive galaxy cluster Abell 2744 with JWST's Near-Infrared Spectrograph (NIRSPEC) and Near-Infrared Imager and Slitless Spectrograph (NIRISS).

    "We present the serendipitous discovery of a late T-type brown dwarf candidate in JWST NIRCam observations of the Early Release Science Abell 2744 parallel field. The discovery was enabled by the sensitivity of JWST at 4 µm wavelengths and the panchromatic 0.9–4.5 µm coverage of the spectral energy distribution," the researchers wrote in the paper.

    According to the study, GLASS-JWST-BD1 has a mass of about 31.43 Jupiter masses and an  of some 600 K. The age of this brown dwarf was estimated to be 5 billion years.

    Comparison with  suggest that GLASS-JWST-BD1 is a late-type T dwarf. Its distance was measured to be between 1,850 and 2,350 light years, in a direction perpendicular to the Galactic plane. The results indicate that this object is likely a member of the Galactic thick disk or halo population.

    The astronomers noted that further observations of GLASS-JWST-BD1 are required in order to confirm its T-dwarf nature. In particular, kinematic or chemical abundance data are needed to get more insights into the properties of this object.

    In concluding remarks, the authors of the paper underlined how their discovery demonstrates the capability of JWST to investigate distant low-mass Galactic stellar and substellar objects.

    "The large estimated distance of GLASS-JWST-BD1 confirms the power of JWST to probe the very low-mass end of the stellar and substellar mass function in the Galactic thick disk and halo, enabling exploration of metallicity dependence on low-mass star formation and the evolution of brown dwarf atmospheres," the scientists wrote.

    Explore further

    09-08-2022 om 17:53 geschreven door peter  

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    Categorie:ASTRONOMIE / RUIMTEVAART
    Klik hier om een link te hebben waarmee u dit artikel later terug kunt lezen.CAUGHT IN A SOLAR STORM ON THE WAY TO MARS

    Caught in a Solar Storm on the Way to Mars

    CAUGHT IN A SOLAR STORM ON THE WAY TO MARS

    A chance alignment between Earth and a Mars-bound spacecraft has given us a rare glimpse into the movement of high-energy particles from the Sun. The data from this event can help researchers understand the radiation environment near Mars — a key factor in planning crewed missions to our neighboring planet and beyond.

    ENERGETIC PARTICLE PARADE

    The space between the planets in our solar system is filled with a wispy sea of charged particles that flow out from the Sun’s atmosphere. This particle population is augmented by cosmic rays — speedy protons and atomic nuclei accelerated in extreme environments across the universe — which ebb and flow against the 11-year solar activity cycle. This undulating particle background is punctuated by bursts of high-energy particles from the Sun, which can be unleashed suddenly in violent solar storms.

    Spacecraft that venture out from the protection of Earth’s magnetic field must navigate this ocean of particles and weather solar storms. And if we someday wish to send astronauts to other planets, we’ll need to know how high-energy solar particles, which pose a risk to the health of astronauts and electronic systems alike, travel through the solar system.

    WHEN SPACECRAFT ALIGN

    In a new publication, a team led by Shuai Fu (Macau University of Science and Technology), Zheyi Ding (China University of Geosciences), and Yongjie Zhang (Chinese Academy of Sciences) studied the high-energy solar particles produced in an event in November 2020, when the Sun emitted a solar flare and a massive explosion of solar plasma called a coronal mass ejection.

    This event coincided with a chance alignment of multiple spacecraft along the same solar magnetic field line. This alignment meant that several spacecraft near Earth and the Tianwen-1 spacecraft en route to Mars measured the same burst of energetic particles millions of miles apart, providing a rare opportunity to study how energetic particles from the Sun travel through space along magnetic field lines.

    DIFFUSION AND EVOLUTION

    By comparing the timing of measurements from Tianwen-1 to those from three spacecraft near Earth, the team discerned that the magnetic field line that connected the spacecraft did not connect back to the origin of the particles. This means that the particles must have traveled, or diffused, across magnetic field lines to reach the spacecraft.

    In addition, the team found that the shape of the particle energy distribution remained the same at moderate and high energies as the particles traveled between Earth and Tianwen-1’s location at 1.39 au. This suggests that the shape of the energy distribution is determined earlier, at the time the particles are accelerated to high energies, rather than as the particles travel through space.

    The November 2020 event marked the first solar energetic particle event observed by Tianwen-1, but surely not the last. The spacecraft will continue to monitor high-energy particles from its station in Mars orbit as the solar cycle revs up, collecting valuable data for understanding the radiation environment around Mars and planning future missions.

    CITATION

    • “First Report of a Solar Energetic Particle Event Observed by China’s Tianwen-1 Mission in Transit to Mars,” Shuai Fu et al 2022 ApJL 934 L15. doi:10.3847/2041-8213/ac80f5

    • This post originally appeared on AAS Nova, which features research highlights from the journals of the American Astronomical Society.

    09-08-2022 om 17:18 geschreven door peter  

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    Klik hier om een link te hebben waarmee u dit artikel later terug kunt lezen.Possible UFO appears during live broadcast in Germany

    Possible UFO appears during live broadcast in Germany

    Was a UFO accidentally filmed during an ARD live broadcast recording of a wildfire in eastern Germany? 

    The video footage appears to show a high speed cylindrical object flying by in the background. 
    The object has no obvious signs of propulsion and no wings, also it can't be a bird either since we don't see flapping wings. Maybe an insect flying close to the camera? But can an insect fly that speed? What could it be? 
    Original ARD video footage, see UFO at about 3.42 minutes.

      

    http://ufosightingshotspot.blogspot.com/ }

    09-08-2022 om 16:31 geschreven door peter  

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    Categorie:LATEST ( UFO ) VIDEO NEWS ( ENG)
    Klik hier om een link te hebben waarmee u dit artikel later terug kunt lezen.UFO fireball in the western skies looking from Anza, California 6-Aug-2022

    UFO fireball in the western skies looking from Anza, California 6-Aug-2022

    This bright UFO was seen and recorded in the sky above Anza, California on 6th August 2022.

    Witness report: 

    I saw a fireball in the sky that changed colors from red to orange and changed in size. I was able to get a video of it on my iPhone 13. There was also a small white light that blinked intermittently on the left of it. The red object seemed to have control of the power like a jet engine going on and off. It hovered for a while and then it just disappeared.

    {https://www.latest-ufo-sightings.net/ }

    09-08-2022 om 14:36 geschreven door peter  

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    Categorie:LATEST ( UFO ) VIDEO NEWS ( ENG)
    Klik hier om een link te hebben waarmee u dit artikel later terug kunt lezen.Astronomers Discover A Disappearing Space Object That Turns On And Off Every 20 Minutes And Sends Highly-Polarized Radio Signals

    Astronomers Discover A Disappearing Space Object That Turns On And Off Every 20 Minutes And Sends Highly-Polarized Radio Signals

    Astronomers Discover A Disappearing Space Object That Turns On And Off Every 20 Minutes And Sends Highly-Polarized Radio Signals

    According to a research paper published in Nature, astronomers detected a “really weird” object 4,000 lightyears distant from Earth. Every other minute, the object vanishes from view and produces a massive burst of radio waves three times an hour.

    Tyrone O’Doherty, a Curtin University student, first noticed the enigmatic object while scanning the sky in rural Western Australia. “It’s exciting that the source I identified last year has turned out to be such a peculiar object,” stated O’Doherty in a press statement.

    The object, which the scientists claim is unlike anything else they’ve observed, emits a tremendous beam of radiation that, every 20 minutes, shines brightly in the sky. It also spins and vanishes every minute.

    Scientists refer to space objects that “turn” on and off in the night sky as “transients”.

    “When studying transients, you’re watching the death of a massive star or the activity of the remnants it leaves behind,” said Dr. Gemma Anderson, an ICRAR-Curtin astrophysicist and co-author of the work.

    Slower transients, such as supernovae, might arrive in a matter of days and last for several months. Fast transients, such as neutron stars, “flash” on and off many times per second. However, transients between those two speeds are uncommon, and the current discovery is “really weird” and “completely unexpected.” according to the researchers.

    “It was kind of spooky for an astronomer because there’s nothing known in the sky that does that,” said astrophysicist Dr. Natasha Hurley-Walker, who headed the research team. “And it’s really close to us – about 4000 lightyears distant. It’s there in our galaxy’s backyard.”

    Hurley-Walker characterized the enigmatic object as being smaller than the sun yet brilliant, radiating highly polarized radio waves three times an hour. These radio pulses imply that it has an “extremely strong” magnetic field, which may correspond to a previously anticipated astrophysical object that has never been verified to exist. Scientists refer to the hypothetical item as an “ultra-long period magnetar.”

    “It’s a type of slowly spinning neutron star that has been predicted to exist theoretically,” Hurley-Walker explained. “However, no one anticipated to immediately discover one like this since they were not thought to be that brilliant. It converts magnetic energy to radio waves considerably more efficiently than anything else we’ve seen previously.”

    -

    Astronomers believe it is a rare sort of neutron star or a collapsing white dwarf, but they need to examine it again to establish if it is a fluke or a new type of space object.

    {https://astronomyscience.vercel. }

    09-08-2022 om 01:41 geschreven door peter  

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    Categorie:ASTRONOMIE / RUIMTEVAART
    08-08-2022
    Klik hier om een link te hebben waarmee u dit artikel later terug kunt lezen.Ancient Source of Oxygen for Life Discovered Hidden Deep in the Earth’s Crust

    Ancient Source of Oxygen for Life Discovered Hidden Deep in the Earth’s Crust

    By 

    Scientists at Newcastle University have discovered a source of oxygen deep in the Earth’s crust that may have influenced the evolution of life before the advent of photosynthesis.

    The pioneering research project uncovered a mechanism that can generate hydrogen peroxide from rocks during the movement of geological faults. The study was led by Newcastle University’s School of Natural and Environmental Sciences and published today (August 8) in the journal Nature Communications.

    Researchers were able to simulate some of the key conditions of subsurface rock fracturing using vials in the lab. Rocks representative of oceanic and continental crust were crushed under nitrogen, added to oxygen-free water, then heated.

    Credit: Jon Telling / Jordan Stone / Newcastle University

    In tectonically active regions, the movement of the Earth’s crust not only generates earthquakes but also riddles the subsurface with cracks and fractures. These are lined with highly reactive rock surfaces containing many imperfections, or defects. Water can then filter down and react with these defects on the newly fractured rock.

    Master’s student Jordan Stone simulated these conditions in the laboratory by crushing granite, basalt, and peridotite – rock types that would have been present in the early Earth’s crust. These were then added to water at varying temperatures under well-controlled oxygen-free conditions.

    History of Life and Oxygen

    The research investigates a source of reactive oxygen associated with geological faulting; a potential oxygen source prior to cyanobacteria oxygenating the Earth’s atmosphere. This reactive oxygen may have had a role in the evolution of life from an oxygen-free to an oxygenated world and contributed to prebiotic chemistry in subsurface fractures prior to the origin of life.

    Credit: Jon Telling / Jordan Stone / Newcastle University

    The experiments revealed that substantial amounts of hydrogen peroxide – and as a result, potentially oxygen – were only generated at temperatures close to the boiling point of water. Importantly, the temperature of hydrogen peroxide formation overlaps the growth ranges of some of the most heat-loving microbes on Earth called hyperthermophiles, including evolutionary ancient oxygen-using microbes near the root of the Universal Tree of Life.

    Lead author Jordan Stone, who conducted this research as part of his Master of Research in Environmental Geoscience, said: “While previous research has suggested that small amounts of hydrogen peroxide and other oxidants can be formed by stressing or crushing of rocks in the absence of oxygen, this is the first study to show the vital importance of hot temperatures in maximizing hydrogen peroxide generation.”

    Jordan Stone

    Lead author Jordan Stone, who conducted this research as part of his MRes in Environmental Geoscience at Newcastle University, UK, sets up one of the experiments.

    Credit: Jon Telling / Jordan Stone / Newcastle University

    Principal Investigator Dr. Jon Telling, Senior Lecturer, added: “This research shows that defects on crushed rock and minerals can behave very differently to how you would expect more ‘perfect’ mineral surfaces to react. All these mechanochemical reactions need to generate hydrogen peroxide, and therefore oxygen, is water, crushed rocks, and high temperatures, which were all present on the early Earth before the evolution of photosynthesis and which could have influenced the chemistry and microbiology in hot, seismically active regions where life may have first evolved.”

    Reference:

    • “Tectonically-driven oxidant production in the hot biosphere” 8 August 2022, Nature Communications.
      DOI: 10.1038/s41467-022-32129-y
    • The work was supported through grants from the Natural Environmental Research Council (NERC) and the UK Space Agency. A major new follow-up project led by Dr. Jon Telling, funded by NERC, is underway to determine the significance of this mechanism for supporting life in the Earth’s subsurface.

    08-08-2022 om 23:33 geschreven door peter  

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    Klik hier om een link te hebben waarmee u dit artikel later terug kunt lezen.NASA's 'Helical Engine' could reach 99% the speed of light

    NASA's 'Helical Engine' could reach 99% the speed of light

    NASA's 'Helical Engine' could reach 99% the speed of light

    When it comes to space, there's a problem with our human drive to go all the places and see all the things. A big problem. It's, well, space. It's way too big. Even travelling at the maximum speed the Universe allows, it would take us years to reach our nearest neighbouring star.

    But another human drive is finding solutions to big problems. And that's what NASA engineer David Burns has been doing in his spare time. He's produced an engine concept that, he says, could theoretically accelerate to 99 percent of the speed of light - all without using propellant.

    He's posted it to the NASA Technical Reports Server under the heading "Helical Engine", and, on paper, it works by exploiting the way mass can change at relativistic speeds - those close to the speed of light in a vacuum. It has not yet been reviewed by an expert.

    Understandably this paper has caused buzz approaching levels seen in the early days of the EM Drive. And yes, even some headlines claiming the engine could 'violate the laws of physics'.

    But while this concept is fascinating, it's definitely not going to break physics anytime soon. As a thought experiment to explain his concept, Burns describes a box with a weight inside, threaded on a line, with a spring at each end bouncing the weight back and forth. In a vacuum - such as space - the effect of this would be to wiggle the entire box, with the weight seeming to stand still, like a gif stabilized around the weight.Overall, the box would stay wiggling in the same spot - but if the mass of the weight were to increase in only one direction, it would generate a greater push in that direction, and therefore thrust.

    According to the principle of the conservation of momentum - in which the momentum of a system remains constant in the absence of any external forces - this should be not completely possible.

    But! There's a special relativity loophole. Hooray for special relativity! According to special relativity, objects gain mass as they approach light speed. So, if you replace the weight with ions and the box with a loop, you can theoretically have the ions moving faster at one end of the loop, and slower at the other.

    But Burns' drive isn't a single closed loop. It's helical, like a stretched out spring - hence "helical engine".

    "The engine accelerates ions confined in a loop to moderate relativistic speeds, and then varies their velocity to make slight changes to their mass. The engine then moves ions back and forth along the direction of travel to produce thrust," he wrote in his abstract.

    "The engine has no moving parts other than ions traveling in a vacuum line, trapped inside electric and magnetic fields."

    It sounds really nifty, right? And it is - in theory. But it's not without significant practical problems.

    According to New Scientist, the helical chamber would have to be pretty large. Around 200 metres (656 feet) long and 12 metres (40 feet) in diameter, to be precise.

    And it would need to generate 165 megawatts of energy to produce 1 newton of thrust. That's the equivalent of a power station to produce the force required to accelerate a kilogram of mass per second squared. So a lot of input for a teeny tiny output. It is horribly inefficient.

    But in the vacuum of space? It just might work. "The engine itself would be able to get to 99 per cent the speed of light if you had enoughAnd here's the other thing. Humans - not all of us, but still more than a few - desperately want to go to interstellar space. We may never get there. But if we never even try to think about it, that "may" becomes a "definitely." What's that saying - you miss 100 percent of the shots you don't take? time and power," Burns told New Scientist.

    Burns notes the efficiency problem in his presentation, and also adds that his work hasn't been reviewed by experts, and there may be errors in his maths. We don't exactly have the blueprints for a fully functional space travel engine here.

    What we do have is a piece of groundwork that could be used to develop such an engine. What we have is a dream of the stars.

    RELATED VIDEOS, selected and posted by peter2011

    {https://blog.sci-nature.com/ }

    08-08-2022 om 22:20 geschreven door peter  

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    Categorie:ASTRONOMIE / RUIMTEVAART
    Klik hier om een link te hebben waarmee u dit artikel later terug kunt lezen.China launches mysterious reusable 'test spacecraft' to Earth orbit

    China launches mysterious reusable 'test spacecraft' to Earth orbit

    08-08-2022 om 21:53 geschreven door peter  

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    Categorie:ASTRONOMIE / RUIMTEVAART
    Klik hier om een link te hebben waarmee u dit artikel later terug kunt lezen.US Space Force tests robot dogs to patrol Cape Canaveral

    US Space Force tests robot dogs to patrol Cape Canaveral

    08-08-2022 om 21:33 geschreven door peter  

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    Categorie:SF-snufjes }, Robotics and A.I. Artificiel Intelligence ( E, F en NL )
    Klik hier om een link te hebben waarmee u dit artikel later terug kunt lezen.Curious Kids: Is it possible to see what is happening in distant solar systems now?

    Curious Kids: Is it possible to see what is happening in distant solar systems now?

    08-08-2022 om 20:46 geschreven door peter  

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    Categorie:ASTRONOMIE / RUIMTEVAART
    Klik hier om een link te hebben waarmee u dit artikel later terug kunt lezen.The physics of accretion: How the universe pulled itself together

    The physics of accretion: How the universe pulled itself together

    To form a celestial object, start with a gas cloud and add gravity. Then, it gets complicated.

    08-08-2022 om 18:07 geschreven door peter  

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    Categorie:ASTRONOMIE / RUIMTEVAART
    Klik hier om een link te hebben waarmee u dit artikel later terug kunt lezen.Aarde lijkt haast te hebben: kortste dag ooit sinds start van metingen geregistreerd
    AP
    © AP

    Aarde lijkt haast te hebben: kortste dag ooit sinds start van metingen geregistreerd

    De aarde deed op 29 juni 1,59 milliseconde sneller over een volledige rotatie dan de gebruikelijke 24 uur. Dat is een recordtijd sinds de metingen in de jaren 60 van start gingen. Met andere woorden: 29 juni was de kortste dag ooit gemeten. Het vorige record dateerde nog maar van 19 juli 2020.

    https://www.hln.be/ }

    08-08-2022 om 17:21 geschreven door peter  

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    Categorie:HLN.be - Het Laatste Nieuws ( NL)
    Klik hier om een link te hebben waarmee u dit artikel later terug kunt lezen.Dwarf Galaxies Found Without Influence From Dark Matter

    Dwarf Galaxies Found Without Influence From Dark Matter

    Ask astronomers about dark matter and one of the things they talk about is that this invisible, mysterious “stuff” permeates the universe. In particular, it exists in halos surrounding most galaxies. The mass of the halo exerts a strong gravitational influence on the galaxy itself, as well as on others in the neighborhood. That’s pretty much the standard view of dark matter and its influence on galaxies. However, there are problems with the idea of those halos. Apparently, some oddly shaped dwarf galaxies exist that look like they have no halos. How could this be? Do they represent an observationally induced challenge to the prevailing ideas about dark matter halos?

    Finding Perturbed Dwarf Galaxies

    In the so-called “Standard Model” of cosmology, shells or halos of dark matter protect galaxies from the gravitational influence of nearby galactic neighbors. However, when astronomers at the University of Bonn and Saint Andrews in Scotland looked in the nearby Fornax Cluster, which lies some 62 million light-years away from us, they saw something strange. It contains a number of dwarf galaxies with distorted, perturbed shapes. This is odd, especially if they should be surrounded by dark matter halos.

    fornax cluster with dwarf galaxies

    The Fornax Galaxy Cluster, which contains distorted dwarf galaxies in its collection.
    Image Credit: ESO

    Let’s take a quick look at dwarf galaxies. They’re small and faint and usually found riding along in galaxy clusters or near much larger companions. The Milky Way Galaxy has a coterie of dwarf galaxies around it,. It is, in fact, cannibalizing ones such as the Sagittarius Dwarf Spheroidal. Interestingly, recent studies show that at least one of the dwarf galaxies near ours, an ancient one called Tucana II, has an astoundingly massive dark matter halo.

    So, what’s happening in Fornax that’s different? There, dwarf galaxies could be “disturbed” by gravitational tides from nearby larger ones in the cluster. Tides happen when gravity from one body pulls differently on different parts of another body. These are similar to tides on Earth when the Moon pulls more strongly on the side of Earth that faces it.

    The distorted shapes of the dwarf galaxies seen by the team indicate a problem with our understanding of dark matter. “Such perturbations in the Fornax dwarfs are not expected according to the Standard Model,” said Pavel Kroupa, Professor at the University of Bonn and Charles University in Prague. “This is because, according to that model, the dark matter halos of these dwarfs should partly shield them from tides raised by the cluster.”

    Dwarf galaxy NGC1427A, part of the Fornax galaxy cluster.

    (ESO)

    Explaining Distorted Dwarf Galaxies

    Kroupa and Ph.D. student Elena Ascencio analyzed observations of the perturbed dwarfs in Fornax. They wanted to understand the extent of gravitational distortions these galaxies show and what causes them. The expected levels of distortion depend on a couple of factors. One is the internal characteristics of the dwarf galaxy. In addition, their distance to the center of the cluster is important. That’s where gravitational influences are much stronger. As a rule, galaxies with large sizes but not many stars could be easily disturbed by strong gravitational tides. The same is true for galaxies closer to the core of the cluster.

    The team members compared what they saw in the cluster with observations made by the VLT Survey Telescope at the European Southern Observatory. Asencio pointed out that what they found seems to point to problems with the Standard Model. “The comparison showed that, if one wants to explain the observations in the standard model,” she said, “the Fornax dwarfs should already be destroyed by gravity from the cluster center even when the tides it raises on a dwarf are sixty-four times weaker than the dwarf’s own self-gravity.”

    Not only is this counter-intuitive, she said, it also contradicts previous studies. The team also found that the force needed to disturb a dwarf galaxy is about the same as its self-gravity.

    What Does This Mean for the Standard Model?

    The research team points out that it’s difficult to explain these perturbed, disturbed shapes of the dwarf galaxies in Fornax if they’re surrounded by dark matter. In other words, they shouldn’t be misshapen if they do have halos. Yet, there they are with disturbed-looking shapes. That means that there are no dark matter halos around those galaxies.

    Obviously, if what the astronomers found is confirmed, then the Standard Model needs some tweaking. And, there is at least one alternative explanation for the strange galaxy shapes. It’s called the MOND model (short for Modified Newtonian Dynamics). It suggests that Newton’s law of universal gravitation should be modified to account for the observed properties of galaxies. It could be applied to explain why misshapen galaxies look the way they do.

    According to Hongsheng Zhao, a member of the research team from the University of Saint Andrews, finding disturbed dwarfs without dark matter halos is a major challenge to the current view. It states that galaxies have halos. It appears not all of them do, he points out. “Our results have major implications for fundamental physics,” he said. “We expect to find more disturbed dwarfs in other clusters, a prediction which other teams should verify”.

    For More Information

    The post Dwarf Galaxies Found Without Influence From Dark Matter appeared first on Universe Today.


    Source: 

    RELATED VIDEOS, selected and posted by peter2011

    https://beforeitsnews.com/ }

    08-08-2022 om 17:02 geschreven door peter  

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    Categorie:ASTRONOMIE / RUIMTEVAART
    Klik hier om een link te hebben waarmee u dit artikel later terug kunt lezen.Gods, Extraterrestrials and Religion: From Ancient Atlantis to Today

    Gods, Extraterrestrials and Religion: From Ancient Atlantis to Today

    Ancient records and religious texts describe multiple "Gods" (aka extraterrestrials) creating humanity in a series of genetic experiments and warring among themselves over who would be dominant in influencing Earth's future. 

    The world's oldest known creation story, Sumer's Enuma Elish, and other ancient texts introduce the different creator Gods and how they formed grand assemblies to resolve their differences over the destiny of humanity. 
    This new video is the official trailer/short film for the "World Religions and Extraterrestrial Contact" webinar to be held on August 13. In addition to the above issues, the trailer discusses the rise and fall of Atlantis in relation to creator Gods/extraterrestrials alarmed over humanity's rapid technological development. 
    Finally, this short film covers the return of the creator Gods (Elohim/Anunnaki) to our solar system and what this means for us today.
      

    http://ufosightingshotspot.blogspot.com/ }

    08-08-2022 om 16:29 geschreven door peter  

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    Categorie:Myths, legends, unknown cultures and civilizations
    Klik hier om een link te hebben waarmee u dit artikel later terug kunt lezen.Stationary blinking UFO over Boynton, Florida 31-May-2022

    Stationary blinking UFO over Boynton, Florida 31-May-2022

    This blinking unidentified flying object was filmed above the sea near Boynton in Florida. This happened on 31st May 2022.

    Witness report: 

    Here’s the 12 minutes video of various times during the 45 + minute sighting. However, please study this at 10 minutes and 35 seconds into the video above when a very large Ufo streaks across the screen from top right to bottom left quadrant!

    So, let’s use logic. This craft flew at least 2 1/2 miles over the sea (which is a VERY conservative estimate because it really appears to have gone over the horizon which is 35 miles away). Theirs 3,600 seconds in one hour. IF this craft only went 2 1/2 miles in 1/10 th of a second – that would put the speed of the Ufo at 90,000 per hour!

    However, if it’s gone out of sight over the horizon (35 miles) in 1/10 th of a second , using the same equation…(3,600 seconds in one hour) that would put the speed of the Ufo at an Astounding 1,260,000 mph!!

    RECENT UFO-VIDEOS FLORIDA, selected and posted by peter2011

    https://www.latest-ufo-sightings.net/ }

    08-08-2022 om 16:00 geschreven door peter  

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    Categorie:LATEST ( UFO ) VIDEO NEWS ( ENG)


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    Druk op onderstaande knop om een berichtje achter te laten in mijn gastenboek Alvast bedankt voor al jouw bezoekjes en jouw reacties. Nog een prettige dag verder!!!


    Over mijzelf
    Ik ben Pieter, en gebruik soms ook wel de schuilnaam Peter2011.
    Ik ben een man en woon in Linter (België) en mijn beroep is Ik ben op rust..
    Ik ben geboren op 18/10/1950 en ben nu dus 74 jaar jong.
    Mijn hobby's zijn: Ufologie en andere esoterische onderwerpen.
    Op deze blog vind je onder artikels, werk van mezelf. Mijn dank gaat ook naar André, Ingrid, Oliver, Paul, Vincent, Georges Filer en MUFON voor de bijdragen voor de verschillende categorieën... Veel leesplezier en geef je mening over deze blog.
    Zoeken in blog


    LINKS NAAR BEKENDE UFO-VERENIGINGEN - DEEL 1
  • http://www.ufonieuws.nl/
  • http://www.grenswetenschap.nl/
  • http://www.beamsinvestigations.org.uk/
  • http://www.mufon.com/
  • http://www.ufomeldpunt.be/
  • http://www.ufowijzer.nl/
  • http://www.ufoplaza.nl/
  • http://www.ufowereld.nl/
  • http://www.stantonfriedman.com/
  • http://ufo.start.be/

    LINKS NAAR BEKENDE UFO-VERENIGINGEN - DEEL 2
  • www.ufo.be
  • www.caelestia.be
  • ufo.startpagina.nl.
  • www.wszechocean.blogspot.com.
  • AsocCivil Unifa
  • UFO DISCLOSURE PROJECT

  • Startpagina !


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