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Colossal Asteroid, 20 Times the Size of Dinosaur-Killer, Struck Solar System’s Largest Moon 4 Billion Years Ago
A massive asteroid impact on the solar system’s largest moon Ganymede is a moon larger than Mercury and packed with features ...
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Huge asteroid slammed into Solar System's biggest moon 4bn years ago
Scientists have discovered evidence that an asteroid 20 times larger than the one that ended the age of the dinosaurs slammed into Jupiter's moon, Ganymede. This impact was so vast that it shifted ...
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The GALA altimeter
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 ...