The flow of incredible images from the basketball court-sized robot NASA sent to Jupiter just won’t stop.
The $US1 billion Juno spacecraft took five years to reach Jupiter and settle into orbit around the gas giant, which is currently more than 444 million miles from Earth.
Scientists have used Juno’s suite of cameras and other instruments to photograph Jupiter’s poles for the first time, detect rivers of ammonia, watch 870-mile-wide cyclones swirl across the surface, record mysterious auroras, and probe deep into the planet’s thick cloud tops for evidence of a solid core.
Juno swings by Jupiter once every 53.5 days, at speeds approaching 130,000 mph. NASA wanted to increase the frequency of these flybys to every two weeks, but that operation was scrubbed due to some sticky engine valves.
Juno completed its sixth such manoeuvre, or “perijove,” on May 19 while recording a fresh batch of images. NASA provides the raw image data to the public, and a community of amateurs and professionals continues to turn the muted, unprocessed photos into striking colour images.
In March we highlighted a few of these photos from Juno’s fifth orbit, but below are fresh images from the robot’s sixth orbit, along with a few other unbelievable shots from previous flybys that people have recently processed and posted online.
This striking view of Jupiter's south pole was taken by Juno on May 19, then processed by two 'citizen scientists' to bring out the photo's contrast and colour.
Juno fan Björn Jónsson removed Jupiter's hazy 'global illumination' to reveal this maelstrom of stormy clouds.
The center of this close-up image, taken on May 19, shows a white 'anticyclone' in a swirl of storms within Jupiter's north temperate belt.
This spot on the planet is called 'STB Spectre' -- NASA decided to take a picture of it after putting a variety of options up for a public vote. Juno took the photo during its fifth flyby.
This is what part of Jupiter's cloud tops looked like on May 19, 2017, from roughly 7,800 miles away.
NASA titled this view of the gas giant's enigmatic south pole, captured on Dec. 11, 2016, 'Approaching Jupiter'.
NASA calls this enormous storm Jupiter's 'Little Red Spot' -- even though it's the size of Earth. The photo was taken on Feb. 2, 2017.
This is part of the Jupiter's 'string of pearls' storm cloud. The image was taken during Juno's fifth flyby, on March 27, 2017, but was only recently processed by Kevin M. Gill.
This one's called 'The Edge of Jupiter', since it shows the reach of Juno's camera during its flybys (the black region to the right is the cutoff point). This image also shows the planet's limb, or edge (at the top), plus a number of fearsome-looking storms.
Glancing-angle light from the sun makes this high-altitude chain of storms cast deep shadows on the cloud tops. It almost looks like an optical illusion.
This image may not seem like much, but it's unprecedented: The faint line in the middle is Jupiter's rings of ice and dust. Behind it sits the constellation Orion.
A straight-down view of Jupiter's pole from about 32,000 miles away reveals a blue-tinted patch of cyclonic storms that are each about 600 miles wide. For reference, the US state of Texas is about 790 miles wide.
NASA will plunge the spacecraft into Jupiter's clouds in 2018 or 2019. This will prevent the probe from spreading any bacteria from Earth to the gas giant's icy, ocean-filled moons like Europa and Ganymede.
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