Massive asteroid 1997 NC1 to make closest approach to Earth in nearly 400 years on June 27 |
A massive near-Earth asteroid is set to make its closest pass by our planet in roughly four centuries. Numbered 152637 and known as 1997 NC1, the object will fly past Earth on June 27 at a distance of about 2.57 million kilometres, equal to nearly 6.5 times the distance between Earth and the Moon. NASA…