Scientists with NASA’s first asteroid sample return mission, OSIRIS-REx, are gaining a new understanding of asteroid Bennu’s carbon-rich material and signature “spinning-top” shape. The team has discovered that the asteroid’s shape and hydration levels provide clues to the origins and histories of this and other small bodies.
Click here for original story, Why asteroids Bennu and Ryugu have their signature ‘spinning-top’ shapes
Source: ScienceDaily