Bennu Asteroid Grains Reveal Jupiter's Influence on Early Solar System

Analysis of asteroid Bennu grains, collected by NASA's OSIRIS-REx mission, suggests its parent body formed near the water-ice line, possibly within Jupiter's orbit. Published in Science Advances, this research indicates Jupiter acted as a "giant sieve," facilitating the mixing of fine dust over vast distances before planetary accumulation. These findings provide new insights into the assembly of planets 4.5 billion years ago.