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Astronomy Picture of the Day - Io in True Color
APOD.NASA.gov ^ | 11 Dec, 2022 | Image Credit: NASA, JPL, Galileo Project

Posted on 12/11/2022 7:01:46 PM PST by MtnClimber

Explanation: The strangest moon in the Solar System is bright yellow. The featured picture, an attempt to show how Io would appear in the "true colors" perceptible to the average human eye, was taken in 1999 July by the Galileo spacecraft that orbited Jupiter from 1995 to 2003. Io's colors derive from sulfur and molten silicate rock. The unusual surface of Io is kept very young by its system of active volcanoes. The intense tidal gravity of Jupiter stretches Io and damps wobbles caused by Jupiter's other Galilean moons. The resulting friction greatly heats Io's interior, causing molten rock to explode through the surface. Io's volcanoes are so active that they are effectively turning the whole moon inside out. Some of Io's volcanic lava is so hot it glows in the dark.


TOPICS: Astronomy; Astronomy Picture of the Day; Science
KEYWORDS: io; nasa
To be added or removed from the Astronomy Picture of the Day ping list please send me a request via "Private Reply" (Mail).

For more detail go to the link and click on the image for a high definition image. You can then move the magnifying glass cursor then click to zoom in and click again to zoom out. When zoomed in you can scan by moving the side bars on the bottom and right side of the image.

1 posted on 12/11/2022 7:01:46 PM PST by MtnClimber
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To: MtnClimber

2 posted on 12/11/2022 7:02:00 PM PST by MtnClimber (For photos of Colorado scenery and wildlife, click on my screen name for my FR home page.)
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To: 21stCenturion; 21twelve; 4everontheRight; abb; AFB-XYZ; AFPhys; America_Right; AZ .44 MAG; ...
Pinging the APOD list.

🪐 🌟 🌌 🍔


3 posted on 12/11/2022 7:02:45 PM PST by MtnClimber (For photos of Colorado scenery and wildlife, click on my screen name for my FR home page.)
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To: MtnClimber

Mellow yellow


4 posted on 12/11/2022 7:07:18 PM PST by null and void (The “advantage” isn’t for you...it’s for the bank.)
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To: MtnClimber

Thanks MtnClimber!

No false color for a change, but a strong rotten egg smell!


5 posted on 12/11/2022 7:09:29 PM PST by Pete from Shawnee Mission ( )
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To: MtnClimber

When I was single there was stuff that looked like that in my fridge.


6 posted on 12/11/2022 7:30:28 PM PST by neverevergiveup
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To: MtnClimber

Jalapeno cheese.


7 posted on 12/11/2022 8:14:57 PM PST by 353FMG (Secretly practicing my Putin swagger..)
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To: MtnClimber

Looks mighty tasty!


8 posted on 12/11/2022 8:43:04 PM PST by JimRed (TERM LIMITS, NOW! Militia to the border! TRUTH is the new HATE SPEECH.)
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To: MtnClimber

Garlic and Herb cracker


9 posted on 12/11/2022 9:57:12 PM PST by DannyTN
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To: MtnClimber

ZITS!


10 posted on 12/11/2022 11:25:45 PM PST by MadMax, the Grinning Reaper (Figures )
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To: MtnClimber

There is a face of a horse in the lower Right of the photo. Wonder how he got to IO?


11 posted on 12/11/2022 11:27:32 PM PST by MadMax, the Grinning Reaper (Figures )
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