When the OSIRIS-REx spacecraft collected a sample of near-Earth asteroid Bennu, it revealed surprising details about Bennu’s loosely packed surface. The spacecraft’s arm sank almost half a metre into the asteroid, far deeper than expected, confirming that Bennu’s surface is incredibly weak. 🪨 During the event, OSIRIS-REx collected a handful of material and kicked up roughly six tons of loose rock. It will return its sample of Bennu to Earth in September 2023. Thanks to its contribution to the m