A new study in Scientific Reports suggests that a colossal impact around four billion years ago transformed Jupiter's moon Ganymede, knocking it completely sideways.
The impactor was estimated to be at least 185 miles wide, significantly larger than the rock that killed the dinosaurs, highlighting Ganymede's vulnerability.
Ganymede, with its unique salty ocean beneath a thick crust and its own magnetic field, presents a prime location for the emergence of extraterrestrial life.
The scale of the collision could alter our understanding of Ganymede's internal structure, temperature, and its potential to harbor life.
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