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Astronomy picture

Ganymede from Juno

Ganymede from Juno

What does the largest moon in the Solar System look like? Jupiter's moon Ganymede, larger than even Mercury and Pluto, has an icy surface speckled with bright young craters overlying a mixture of older, darker, more cratered terrain laced with grooves and ridges. The cause of the grooved terrain remains a topic of research, with a leading hypothesis relating it to shifting ice plates. Ganymede is thought to have an ocean layer that contains more water than Earth -- and might contain life. Like Earth's Moon, Ganymede keeps the same face towards its central planet, in this case Jupiter. The featured image was captured in 2021 by NASA's robotic Juno spacecraft when it passed by the immense moon. The close pass reduced Juno's orbital period around Jupiter from 53 days to 43 days. Juno continues to study the giant planet's high gravity, unusual magnetic field, and complex cloud structures. Follow Podcasts about APOD's Images: on YouTube

© NASA/JPL-Caltech/SwRI/MSSS; Processing & License: Kevin M. Gill;

Earth picture

recent earth photograph

This image was taken by NASA's EPIC camera onboard the NOAA DSCOVR spacecraft

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Falcon 9 Block 5 | Starlink Group 6-30's thumbnail

Falcon 9 Block 5 | Starlink Group 6-30

Tue Nov 28 2023 04:00:00 GMT+0000 (Coordinated Universal Time) - To Be Confirmed

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Falcon 9 Block 5 | 425 Project Flight 1 and others's thumbnail

Falcon 9 Block 5 | 425 Project Flight 1 and others

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New Shepard | NS-24's thumbnail

New Shepard | NS-24

Thu Nov 30 2023 00:00:00 GMT+0000 (Coordinated Universal Time) - To Be Determined

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Soyuz 2.1a | Progress MS-25 (86P)'s thumbnail

Soyuz 2.1a | Progress MS-25 (86P)

Fri Dec 01 2023 09:25:00 GMT+0000 (Coordinated Universal Time) - Go for Launch

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Falcon 9 Block 5 | Starlink Group 6-31's thumbnail

Falcon 9 Block 5 | Starlink Group 6-31

Sat Dec 02 2023 04:00:00 GMT+0000 (Coordinated Universal Time) - To Be Confirmed

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Smart Dragon 3 | Unknown Payload's thumbnail

Smart Dragon 3 | Unknown Payload

Tue Dec 05 2023 19:17:00 GMT+0000 (Coordinated Universal Time) - Go for Launch

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