Robert Lea is a science journalist in the U.K. whose articles have been published in Physics World, New Scientist, Astronomy Magazine, All About Space, Newsweek and ZME Science. He also writes about science communication for Elsevier and the European Journal of Physics. Rob holds a bachelor of science degree in physics and astronomy from the U.K.’s Open University. Follow him on Twitter @sciencef1rst.
in 2020, a video of its landing showed a leg of the lander touching down too hard and almost sinking. This is because Bennu is a rubble pile asteroid so loosely packed that it resembles a child's ball pit.
"Jump too fast, and you might never come down again because you could exceed the local escape velocity," Naomi added."Plus, in the ultra-low gravity environment, it would be easy to generate significant ground motion, potentially triggering an avalanche of rocks." Two images taken by NASA's OSIRIS-REx spacecraft show the sampling arm touch the surface of asteroid Bennu.
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Cosmic 'sandwich' theory could explain how smaller planets are formedRobert Lea is a science journalist in the U.K. whose articles have been published in Physics World, New Scientist, Astronomy Magazine, All About Space, Newsweek and ZME Science. He also writes about science communication for Elsevier and the European Journal of Physics. Rob holds a bachelor of science degree in physics and astronomy from the U.K.’s Open University. Follow him on Twitter sciencef1rst.
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