Is Elon Musk double-parked? It's not the famous cosmic Tesla, but something extraterrestrial has been sucked into orbit by Earth's gravity. The object, known as 2020 CD3, was first spotted Feb. 15 from an Arizona observatory, but astronomers have since confirmed that it is, in fact, a tiny second moon. The space rock, estimated to be 6 to 12 feet in diameter, has been orbiting for three years already.
Will it hang around? It's not expected to: The only other asteroid known to have been caught in Earth's orbit wandered off in 2007 after 18 months.
Check out this OZY feature about the future of data storage — in space.