At 3 million years old, this newly discovered planet is one of the youngest, study finds
Forming an estimated 3 million years ago, the planet discovered by astronomers at the University of North Carolina is in its ...
Smithsonian Magazine5h
Earth Bids Goodbye to Its ‘Mini-Moon’ as Astronomers Investigate Where Our Planet’s Asteroid Companion Came From
Preliminary research suggests asteroid 2024 PT5, which stuck around Earth for almost two months, has lunar origins ...