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JCP-JohnCarlo JCP-JohnCarlo 7 January 2021
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2014.8.21: Voyager 2 Flew Past Neptune's Moon Triton


A scientist has created the best-ever global color map of Neptune's big moon Triton, using images taken by a NASA spacecraft 25 years ago.

Paul Schenk of the Lunar and Planetary Institute in Houston produced the map after restoring photos snapped by the Voyager 2 probe during its flyby of Neptune and Triton on Aug. 25, 1989. The new map has also been turned into a minute-long movie of Voyager 2's historic Triton encounter — the first and only time a spacecraft has ever visited the Neptune system.


The new map, which has a resolution of 1,970 feet (600 meters) per pixel, may help bring enigmatic Triton back into the spotlight. In an interesting twist, NASA's New Horizons probe is scheduled to cross the orbit of Neptune on Monday (Aug. 25), 25 …



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JCP-JohnCarlo JCP-JohnCarlo 7 January 2021
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5.15.14: Jupiter's Great Red Spot is Shrinking

https://upload.wikimedia.org/wikipedia/commons/thumb/3/30/NASA14135-Jupiter-GreatRedSpot-Shrinks-20140515.jpg/640px-NASA14135-Jupiter-GreatRedSpot-Shrinks-20140515.jpg

Jupiter's trademark Great Red Spot -- a swirling anti-cyclonic storm larger than Earth -- has shrunk to its smallest size ever measured.

According to Amy Simon of NASA's Goddard Space Flight Center in Greenbelt, Maryland, recent NASA Hubble Space Telescope observations confirm the Great Red Spot now is approximately 10,250 miles across, less than half the size of some historical measurements. Astronomers have followed this downsizing since the 1930s.

Historic observations as far back as the late 1800s gauged the storm to be as large as 25,500 miles on its long axis. NASA Voyage…

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JCP-JohnCarlo JCP-JohnCarlo 7 January 2021
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What is Jupiter?

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JCP-JohnCarlo JCP-JohnCarlo 7 January 2021
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30 years later...

Source: http://www.nasa.gov/multimedia/podcasting/voyager-20070820.html

Podcast transcript:

Open with music. Narrator: Voyager -- 30 years later. Is the best yet to come? I'm Jane Platt with a podcast from JPL -- NASA's Jet Propulsion Laboratory in Pasadena, California. Natural sound of greetings: That the worlds were still dynamically active, even in the cold outer reaches of space, that in fact there could be 100 times more volcanic activity than here on Earth, there can be lakes of things like methane on other worlds, you can find magnetic fields where the pole's down near the equator, you can find geysers erupting from a surface which is 40 degrees above absolute zero, and now as we're approaching interstellar space, we find that the bub…

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JCP-JohnCarlo JCP-JohnCarlo 7 January 2021
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Why does making of Solar System?

The answer is 'I wonder we will get our 3D models simulator!'.

Contribute 'MrScience12' to learn how to find logs when teachers says?

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JCP-JohnCarlo JCP-JohnCarlo 7 January 2021
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Do you ever had the mission MESSENGER before?


That's when MESSENGER, which stands for "MErcury Surface, Space ENvironment, GEochemistry and Ranging," is expected to finally achieve its intended mission: to become the first-ever spacecraft to orbit Mercury, the solar system's innermost planet.

Entering that orbit is no easy task: to get MESSENGER where it wants it to go, NASA has had to rely on a complicated series of planetary flybys (also known as gravity assist maneuvers or gravitational slingshots). Launched on Aug. 3, 2004, MESSENGER swung by Earth again one year later, then got a couple of additional boosts from Venus during flybys in October 2006 and June 2007. After that, the target planet itself will help send MESSENGER in the right direction: two Mercury flybys have already pa…


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JCP-JohnCarlo JCP-JohnCarlo 7 January 2021
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Larger than Earth!

QUEST 1 Most stars are bigger than Earth the most obvious example being the sun which is a star and is bigger than the earth. And there are stars discovered which are 100-200 times bigger than the sun. Scientists study stars, and place them in groups based on how they are alike, and how they are different. QUEST 2 The sun is bigger than the earth and the moon. It has a diameter of about 1,392,000 km which is about 109 times that of the Earth and a mass of about 2×1030 kilograms which is 330,000 times that of the Earth. Consequently, the sun accounts for about 99.86% of the total mass of the Solar System. The moon is a quarter of the diameter of Earth and it is 1„81 of the mass of Earth.

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JCP-JohnCarlo JCP-JohnCarlo 7 January 2021
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Red! Red! Red!

http://upload.wikimedia.org/wikipedia/commons/thumb/8/82/Mars_and_Syrtis_Major_-_GPN-2000-000923.jpg/600px-Mars_and_Syrtis_Major_-_GPN-2000-000923.jpg

FACT ONE Of all the planets in the Solar System, Mars is the one that people believe is most likely to contain or to have contained life. In 1900, a prize was offered to the first person to be contact an extra-terrestrial being. However, this extra-terrestrial being was not allowed to come from Mars because that would make the competition too easy! In 1938, a radio broadcast of The War of the Worlds by H.G. Wells (a story about an invasion of Earth by Martians) caused a near panic in America because so many people believed it to be true. FACT TWO The largest volcano in the Solar System is on …

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JCP-JohnCarlo JCP-JohnCarlo 7 January 2021
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GIgANTic JUPITER!

http://i230.photobucket.com/albums/ee35/fortune1530/jupiter.jpg

FACT ONE Jupiter's gravity is used to catapult space-craft on deep space missions further away. This is how the Voyager missions of 1975 managed to succeed.

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JCP-JohnCarlo JCP-JohnCarlo 7 January 2021
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How did the rings form on Saturn?

http://i189.photobucket.com/albums/z143/Nesbitts/Saturn.jpg

Saturn's rings probably formed when objects like comets, asteroids or even moons broke up in orbit around Saturn due to Saturn's very strong gravity. The pieces of these objects kept colliding with each other and broke into even smaller pieces. These pieces gradually spread around Saturn to form its rings.

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JCP-JohnCarlo JCP-JohnCarlo 7 January 2021
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What is Pluto in 2006?

http://upload.wikimedia.org/wikipedia/commons/thumb/0/02/Pluto-map-hs-2010-06-d270.jpg/220px-Pluto-map-hs-2010-06-d270.jpg

In addition to the eight traditional planets, there are several Dwarf Planets in the Solar System. Like the eight main planets, they are round and orbit the Sun. However, what makes them Dwarf Planets is their size and also the fact that they haven't "cleared the neighbourhood" of their orbits. This could mean that they orbit the Sun in an asteroid belt or the route they take around the Sun crosses the orbit of another object also orbiting the Sun. The most famous Dwarf Planet is Pluto, which since its discovery in 1930, was recognised as the ninth planet in the Solar System until being reclassified in August 2006. Othe…

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JCP-JohnCarlo JCP-JohnCarlo 7 January 2021
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What is tilted planet by its axis?

http://upload.wikimedia.org/wikipedia/commons/thumb/3/3d/Uranus2.jpg/600px-Uranus2.jpg

The axis of most planets is actually tilted. Both Earth and Mars have a tilted axis of about 23 degrees. This is what causes these two planets to have seasons. Uranus also has a tilted axis, but it is so tilted that it rotates on its side, as if the planet has fallen over! Scientists believe that this could be because an object about the same size as Earth, hit Uranus and knocked it over at some point in its distant history. It causes the planet to roll around the Sun in its orbit like a barrel, and its moons, instead of going from left to right around the planet in their orbits, to go over the top of it and under. If we could see the moons orbiting Uranu…

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