Near-Earth asteroid has a surface like a plastic ball pit

Near-Earth asteroid has a surface like a plastic ball pit

During the historic collection event, the sampling head of the OSIRIS-REx spacecraft sank 1.6 feet (0.5 meter) into the surface of the asteroid. Apparently, Bennu’s exterior is made of loosely packed particles that aren’t bound together very securely, based on what happened as the spacecraft collected a sample. If the spacecraft hadn’t fired its thruster …

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