Monday, April 10, 2017

Photos of Jupiter From NASA Spacecraft, Both Near and Far

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The Hubble Space Telescope took this photograph of Jupiter on Monday as part of an annual global survey to look for changes in the storms, winds and clouds. CreditAmy A. Simon/NASA/European Space Agency
NASA is getting new looks at Jupiter, from close up and far away.
Its Juno spacecraft made its fifth just-above-the-cloud-tops dive of Jupiter on March 27, its eight instruments gathering data on the planet’s interior as it accelerated to 129,000 miles per hour.
On each flyby, the public nominates and then votes on the atmospheric features Juno’s camera should record. This time, one of the winning targets was a boundary between two atmospheric regions. The bluish streak on the right is part of a persistent storm. Juno snapped this image 7,900 miles from the planet.
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An image of colliding atmospheric regions on Jupiter taken by Juno spacecraft on March 27.CreditRoman Tkachenko/NASA/Jet Propulsion Laboratory-Caltech/Southwest Research Institute/Malin Space Science Systems
This week, NASA released an image of Jupiter taken by the Hubble Space Telescope, which is in orbit around Earth. The distance, 415 million miles, is the closest that Earth gets to Jupiter, which makes it a good time for Hubble to perform a once-a-year survey of the solar system’s largest planet. The space telescope is able to discern features on Jupiter as small as 80 miles across.
“We can map out the full planet,” said Amy A. Simon, an astronomer at the Goddard Space Flight Center in Greenbelt, Md., who led the observations. “On a first glance, the Great Red Spot is still strikingly colored. It stands out quite well.”
Dr. Simon said that Jupiter’s atmosphere appears to be more turbulent than in the past couple of years. “That’s telling us something about the deeper atmosphere,” she said. “We’re going to be analyzing this over the next few months.”
Because the Hubble observations roughly coincided with Juno’s flyby, scientists will be able to match the close-ups with a wider view of the planet.
“We could do a two-for-one there and help out Juno at the same time,” Dr. Simon said.
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An enhanced-color image of a dark spot on Jupiter revealed a tangle of swirling storms reminiscent of a van Gogh painting.CreditRoman Tkachenko/NASA/Jet Propulsion Laboratory-Caltech/Southwest Research Institute/Malin Space Science Systems

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