Why asteroids Bennu and Ryugu have their signature 'spinning-top' shapes

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...

Why asteroids Bennu and Ryugu have their signature 'spinning-top' shapes
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.