Article snapshot taken from Wikipedia with creative commons attribution-sharealike license.
Give it a read and then ask your questions in the chat.
We can research this topic together.
Crater on Callisto
Galileo image of a region in the south hemisphere of Callisto.
Jalkr is a bright crater on Jupiter's moonCallisto measuring 74 km across (in the lower part of the image). This an example of a central dome impact crater. A smaller degraded crater in the upper part of the image is called Audr.
.jpg)
.jpg){kind=small}