Sticky video: an unusual satellite was shown up close

On June 7, 2021, NASA’s Juno spacecraft flew closer to Jupiter’s ice-covered moon Ganymede than any other spacecraft in more than two decades. Using footage from the space probe’s thermal imager, scientists made animations to show which views were revealed. Juno at the time.

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The animation starts with images of Ganymede. The Juno probe flew at an altitude of 1,038 km from its surface; the probe’s speed reached 67,000 km / h. The frames show several dark and light areas of the satellite (it is believed that the darker areas the result of the sublimation of ice into the surrounding vacuum, after this process, darkened residues remain), as well as the crater Tros – most big and bright “Scar” -crater Ganymede.

Then the probe in 14 hours 50 minutes covered more than a million kilometers separating Ganymede and Jupiter. It approached the surface of Jupiter at a distance of 3400 km. Thanks to this, in the video, you can clearly see the picturesque clouds of the planet and frightening storms on it. Using information the spacecraft learned from studying Jupiter’s atmosphere, the animation team even modeled lightning. It turned out very realistic.

Lightning on Jupiter is barely visible in the center in this screenshot. It is seen better in the video (it appears at 2 minutes). Photo: scitechdaily.com

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