A massive asteroid impact on the solar system’s largest moon Ganymede is a moon larger than Mercury and packed with features ...

However, the exact scale of this impact and its consequences had remained uncertain until now. The asteroid that struck Ganymede was approximately 190 miles in diameter, making it about 20 times ...

The GAnymede Laser Altimeter (GALA ... The moon is characterised by unique structures due in large part to tectonic shifts, impact craters and basins as well as possible cryovolcanism. GALA was ...

Icy moon Ganymede—which JUICE will orbit—appears ... took longer than than expected and the pandemic also had an impact,” said Andrea Accomazzo, Head of the Solar and Planetary Missions ...