NASA’s OSIRIS-REx spacecraft steadily descends onto asteroid Bennu
NASA prepares for historic touchdown on asteroid Bennu with OSIRIS-REX mission where its robotic arm will collect rock samples during brief contact before launching back into space NASA’s OSIRIS-REx spacecraft is getting ready to reach out its robotic arm and collect a sample from the asteroid Bennu’s surface 200 million miles away from Earth Tuesday evening … Read more