Large, potentially hazardous asteroid to pass near Earth in early March
Asteroid 138971 (2001 CB21) is more than a kilometer wide, but Nasa estimates it will pass well outside the orbit of the Moon at its closet approach to Earth in March

Asteroid 138971 (2001 CB21) is more than a kilometer wide, but Nasa estimates it will pass well outside the orbit of the Moon at its closet approach to Earth in March