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#911890 07/04/16 10:49 PM
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Here's a short "trailer" for NASA's Juno mission - it tells you about the mission in the style of a movie thriller. But the big news today is that after its five years of travel, the spacecraft has been successfully manoeuvred through the worst of Jupiter's powerful radiation belt and dodged debris in its dust rings. Juno is now in orbit around Jupiter.

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A little video in celebration of the arrival of the Juno probe into its Jovian orbit, with the Galilean moons dancing to the music of Vangelis.

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As planned, NASA's Juno spacecraft, having broken two records on the way, was safely inserted into orbit on July 4th. Juno is the most distant solar-powered spacecraft, a record previously held by ESA's Rosetta. The second record is a speed record. The craft was already moving pretty fast, but when it went into Jupiter's gravity well it was further accelerated to a speed of 265,000 km/h (165,000 mph), making it the fast spacecraft ever. Whew!

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A really cute picture taken when Juno was launched five years ago. It's today's Astronomy Picture of the Day and titled "Chasing June". (Image Credit & Copyright: Melissa Christine Kendall)

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Quote:
Wait for me! In 2011, NASA's robotic mission Juno launched for Jupiter from Cape Canaveral, Florida, USA. Last week, Juno reached Jupiter and fired internal rockets to become only the second spacecraft to orbit our Solar System's largest planet. Juno, tasked with studying the jovian giant over the next two years, is in a highly elliptical orbit that will next bringing it near Jupiter's cloud tops in late August. Of course, the three-year-old pictured was not able to catch up to the launching rocket. Today, however, five years later, he is eight-years-old and still chasing rockets -- in that now he wants to be an astronaut.

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This was the first picture taken by Juno after getting into orbit around Jupiter. It's not much of a picture - there are lots of ones taken from Earth and Earth orbit that are better. BUT it shows that Juno made the dangerous trip into orbit without damage from Jupiter's extreme radiation.

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Wow! These pictures are so mind boggling!

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An infographic about the Juno spacecraft.

As you can see Juno is solar-powered. ESA's Rosetta mission had previously been the most distant spacecraft operating only on solar power. She went almost as far as Jupiter's orbit in order to make her rendezvous with the comet. However even in the time gap between Rosetta and Juno solar technology had improved to the point that much weaker sunlight could be harvested.

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This isn't quite where Juno is now, but it's where Juno was on Sunday. This is the farthest point in its 53-day orbit around Jupiter — a spot about 8 million km (5 million mi) away from the planet. Now Jupiter's powerful gravity is pulling Juno back in toward an Aug. 27 close approach.

Credit: NASA/JPL-Caltech

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It's a close-up of Jupiter by Juno. Jupiter's north polar region is coming into view as NASA's Juno spacecraft approaches the giant planet. This view of Jupiter was taken on August 27, when Juno was 437,000 miles (703,000 kilometers) away.

Credits: NASA/JPL-Caltech/SwRI/MSSS

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Jupiter is immediately recognizable in photos because of its stripes of belts and zones. The poles are different. Juno has just photographed Jupiter's north pole which has never been seen before.

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The polar region is filled with a variety of discrete atmospheric features. Some of these are ovals, but the larger and brighter features have a "pinwheel" shape reminiscent of the shape of terrestrial hurricanes. Tracking the motion and evolution of these features across multiple orbits will provide clues about the dynamics of the Jovian atmosphere.


Image credit: NASA/JPL-Caltech/SwRI/MSSS
Last Updated: Sept. 2, 2016
Editor: Tony Greicius

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