SpaceGizmodoabout 1 hour ago
Bennu Asteroid Traced to Solar System Boundary
4 min read
A new study in Science Advances traces asteroid Bennu to the water-ice line between the inner and outer solar system, contradicting the assumption it formed in comet territory. ETH Zurich researchers analyzed a half-gram sample NASA's OSIRIS-REx returned in September 2023, finding Bennu is a hybrid of material from both zones, with Jupiter acting as a filter.
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