An asteroid, dubbed “City Killer,” came closer to Earth than the moon and was almost undetected.
Astonished astronomers reported the object flew past the Earth at 15 miles per second and was 43,500 miles from Earth at its closest point.
An asteroid, dubbed “City Killer,” came closer to Earth than the moon and was almost undetected.
Astonished astronomers reported the object flew past the Earth at 15 miles per second and was 43,500 miles from Earth at its closest point.