The early Solar System was a shooting gallery. Smaller-body collisions happened far more frequently than we see it today, pockmarking the Moon and Mercury. On a larger scale, simulation show the Earth came close to blowing apart when a Mars-sized object crashed into us long ago. So we’d be forgiven for thinking that it’s asteroid […]
The early Solar System was a shooting gallery. Smaller-body collisions happened far more frequently than we see it today, pockmarking the Moon and Mercury. On a larger scale, simulation show the Earth came close to blowing apart when a Mars-sized object crashed into us long ago. So we’d be forgiven for thinking that it’s asteroid […]
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