ASTROPHYSICS SCIENCE TECHNOLOGY NASA’s OSIRIS-REx is flying by Earth to drop off a bit of 4.5-billion-year-old asteroid Bennu….09-26-2023 AJ Desing27 September 20230243 views NASA’s OSIRIS-REx is flying by Earth to drop off a bit of 4.5-billion-year-old asteroid Bennu Share: 0 0