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.
DEAR VISITOR,
MY BLOG EXISTS ALREADY 13 YEARS AND 2 MONTH.
ON 06/08/2024 MORE THAN 2.161.100
VISITORS FROM 135 DIFFERENT NATIONS ALREADY FOUND THEIR WAY TO MY BLOG.
THAT IS AN AVERAGE OF 400GUESTS PER DAY.
THANK YOU FOR VISITING MY BLOG AND HOPE YOU ENJOY EACH TIME.
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.
BEDANKT!!!
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...
30-05-2017
Spacecraft Galileo: To Jupiter and Its Moons
Spacecraft Galileo: To Jupiter and Its Moons
By Elizabeth Howell, Space.com Contributor
Galileo was the first spacecraft to examine Jupiter and its moons for an extended period.
It launched from the payload bay of space shuttle Atlantis in 1989, got some speed boosts by swinging past Earth twice and Venus once, then arrived at Jupiter at last in 1995.
Circling the solar system's most giant planet for eight years, Galileo beamed back a string of discoveries to Earth despite encountering several mechanical problems.
It discovered evidence of saltwater below the surfaces of three moons – Europa, Ganymede and Callisto – and also got close to the infamous "pizza moon" Io as its volcanoes belched into the atmosphere.
When Galileo was almost out of fuel, NASA deliberately sent the spacecraft on a suicide plunge into Jupiter on Sept. 21, 2003. The sacrifice, the agency said, was necessary to protect Europa – which likely has a subsurface ocean that could contain life.
Galileo's legacy
Studying Jupiter from Earth is easier than ever thanks to improvements in imaging technology, making it easier for even amateur astronomers to watch Jupiter's weather and periodic cometary impacts. Along with Galileo's data, this is helping professional astronomers gather data on how gas giants change on the scale of a few years, or decades.
Still, wider mysteries about Jupiter remain – even as NASA returned to the planet in 2016 with the Juno mission. Some missions are being considered for Jupiter's icy moons in the 2030s, such as NASA's Europa Clipper and the European Space Agency's JUpiter ICy moons Explorer (JUICE). Open questions concerning Jupiter include the global abundance of water in Jupiter, how deep storm features go and where Jupiter's magnetic field comes from.
Galileo's work at Jupiter has gained even wider implications in the years afterward, because scientists have discovered thousands of exoplanet candidates. Studying Jupiter in our own solar system gives us a window into the formation of these planets outside of our solar system.
It's not clear if the solar system shares all of the same "life history" characteristics of other solar systems. For example, some Jupiter-sized extrasolar planets are very close to their parent star, and as such as are called "hot Jupiters." It's possible these planets migrated, but the processes are poorly understood.
The case for Jupiter
Jupiter was a target of interest for NASA for decades before Galileo's launch. Four spacecraft had flown by the giant planet before – Pioneer 10 and Pioneer 11, and Voyager 1 and Voyager 2.
Pioneer 10, when it zoomed by the planet in 1973, discovered Jupiter's radiation was far less than scientists had anticipated. This made a long-term mission to Jupiter more feasible, since the spacecraft wouldn't need to be as heavily shielded (making it more expensive to launch.)
NASA was intrigued by the thought of a Jupiter mission, but the idea went through years of budgetary discussions and management changes, as well as machinations in Congress.
By 1977, NASA was far enough in its planning to propose a "Jupiter orbiting probe" in its budget, but the idea was thrown out by a congressional appropriations subcommittee with oversight of the agency. That decision was reversed after a massive lobbying effort by the scientific community, and Congress approved the project later that year.
It would take another 12 years to get Galileo off the ground. There were continual government funding threats to the mission and even the existence of NASA's Jet Propulsion Laboratory, where it was being built. Debates also arose about Galileo's planned launch vehicle. Then, just as the probe was readying for a space shuttle mission, Challenger exploded and killed seven astronauts in 1986, grounding the fleet for two years.
Named for astronomer Galileo Galilei, the spacecraft launched at last on Oct. 18, 1989, from the payload bay of space shuttle Atlantis. To save on fuel, the probe whipped by Venus once and Earth twice to pick up speed, with the aim to reach Jupiter in 1995.
Solving problems in space
Operating missions for the long duration can be a marathon for both humans and spacecraft alike. As components on the spacecraft break down, it's up to the people on the ground to figure out how to resurrect them – or do without them.
Galileo's most prominent failures were a high-gain antenna that failed to open – threatening the transmissions of data back to Earth – and a data tape recorder that temporarily jammed during the final approach to Jupiter.
The sticky antenna, shaped somewhat like an umbrella, lay stowed on the spacecraft for nearly two years after launch. NASA determined it might be risky to set it free when Galileo was closer to the sun during its gravity assist by Venus.
On April 11, 1991, controllers sent a command for Galileo to unfurl the antenna. The motors ran for eight minutes at higher power levels than expected, which indicated there might be a problem. The spacecraft then failed to send a signal to Earth saying the antenna had opened.
A fault analysis determined that some of the antenna's "ribs" got stuck. Managers did everything from rapidly spinning the spacecraft to exposing the antenna to sunlight, with no luck.
To get around the problem, they came up with ways to compress data so that Galileo could send back more information to Earth, which helped save the crippled mission.
NASA now relied on Galileo's on-board data recorder and low-gain transmission antennas to bring information back to Earth. That worked well until the recorder jammed for 15 hours while rewinding on Oct. 11, 1995 – just as the spacecraft was finally closing in on Jupiter.
Fortunately, NASA found a work-around and was able to resume work a few weeks later. The tape recorder acted up in future years, though, necessitating more fixes.
"Among the Galileo mission's memorable achievements were the repeated successes of its staff in solving serious technical problems," wrote Michael Meltzer in the NASA publication Mission to Jupiter: A History of the Galileo Project.
"In each instance, the team attacked potentially mission-ending problems and found ingenious ways to keep the spacecraft operational and productive.
Entering Jupiter's system
One of Galileo's first science targets was Comet Shoemaker-Levy 9. Jupiter's gravity had pulled the comet towards the planet and broken it up into more than 20 pieces. When the shards slammed into Jupiter in July 1994, the astronomical community eagerly watched. Galileo was en route to Jupiter at that time and snapped some shots of the hits.
The spacecraft encountered "interplanetary dust storms" on its way to Jupiter, possibly from particles coming from within the Jovian system. At one point, Galileo was tracking 20,000 dust particles a day, compared to a typical one particle every three days.
Galileo was still flying at Jupiter when in July 1995, it released a probe to smack the planet's atmosphere in December. When the probe finished its descent, NASA was surprised at its measurements of helium – half of what they expected – and the dryness of the region in which the probe flew.
"These initial findings are encouraging scientists to rethink their theories of Jupiter's formation and the nature of planetary evolution processes," wrote NASA in a January 1996 press release.
Planetary, moon and asteroid science
Galileo itself reached Jupiter on Dec. 7, 1995, beginning its years of circling the planet and its moons.
In the early days, Galileo took a close look at the faint rings of Jupiter to find out how they formed. Data from the spacecraft determined that meteoroids, crashing into small moons around Jupiter, were sending dust up around the planet. Over time, the dust coalesced into rings.
While Galileo was often called a mission to Jupiter, the spacecraft also made extensive observations of the planet's largest moons.
It found evidence of a liquid ocean underneath Europa's surface, sparking questions about what sort of life could lie underneath. From watching volcanoes at Io, Galileo's data showed the moon's volcanic activity could be as much as 100 times more than what is seen on Earth. And at Ganymede, Galileo found the first magnetic field around a moon.
Galileo even made a few side discoveries. When taking pictures of the asteroid Ida, it discovered there was a smaller object orbiting around it. Later called Dactyl, this was the first confirmed satellite of an asteroid.
In 2003, the aging spacecraft – battling radiation problems and other mechanical issues – was running low on fuel. NASA chose to send Galileo straight into Jupiter rather than leave it in orbit, just in case the spacecraft accidentally crashed into Europa and disrupted possible life there.
Galileo broke up in Jupiter's atmosphere on Sept. 21, 2003.
Beste bezoeker, Heb je zelf al ooit een vreemde waarneming gedaan, laat dit dan even weten via email aan Frederick Delaere opwww.ufomeldpunt.be. Deze onderzoekers behandelen jouw melding in volledige anonimiteit en met alle respect voor jouw privacy. Ze zijn kritisch, objectief maar open minded aangelegd en zullen jou steeds een verklaring geven voor jouw waarneming! DUS AARZEL NIET, ALS JE EEN ANTWOORD OP JOUW VRAGEN WENST, CONTACTEER FREDERICK. BIJ VOORBAAT DANK...
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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 73 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.