According to NASA, “this is the highest resolution at which a planetary body has been globally mapped.” So while we’ve definitely seen closer up image of Mars and the Moon, that’s only been within a narrow field of view seen by a rover other type of lander — any orbiting craft can’t capture detail that close up.

We already know lots of other things about Bennu, including the fact that it’s spewing particles into space — behavior that’s common for a comet, but rare for an asteroid. Scientists also discovered that it’s surprisingly rugged, as is clear by the number of boulders strewn on its surface. They also found the pr

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