4 Billion Years Ago a Giant Impact Reshaped Jupiter's Largest Moon

<img width="1024" height="415" src="https://www.sciencealert.com/images/2024/09/ganymede_closeup.jpg" alt="4 Billion Years Ago a Giant Impact Reshaped Jupiter's Largest Moon"/>We can still see the scars.

https://www.sciencealert.com/4-billion-years-ago-a-giant-impact-reshaped-jupiters-largest-moon