A giant impact may have caused cracks all over Jupiter’s moon Ganymede

New analysis of images of cracks on Ganymede indicate they cover most of the surface in concentric rings, suggest a giant impact rocked the moon 4 billion years ago

Source:
https://www.newscientist.com/article/2249487-a-giant-impact-may-have-caused-cracks-all-over-jupiters-moon-ganymede/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home