Impact craters on Callisto, second largest moon of Jupiter, as imaged by Galileo spacecraft in 1997. Asgard crater in the middle, surrounded by rings extemdimg outwars in a diameter of 1,700 km. Newer impacts have dug up ice, which comprises Callisto's outer crust.
NASA/JPL
1997-12-18
This image or video was catalogued by Jet Propulsion Laboratory of the United States <a href="https://en.wikipedia.org/wiki/NASA" class="extiw" title="w:NASA">National Aeronautics and Space Administration</a> (NASA) under <b>Photo ID:</b> <a rel="nofollow" class="external text" href="https://images.nasa.gov/search?q=PIA00562&amp;page=1&amp;media=image,video,audio&amp;yearStart=1920&amp;yearEnd=2023">PIA00562</a> and <b>Alternate ID:</b> <a rel="nofollow" class="external text" href="https://images.nasa.gov/search?q=P48299&amp;page=1&amp;media=image,video,audio&amp;yearStart=1920&amp;yearEnd=2023">P48299</a>.