Parting shots from the asteroid

By Alan Boyle

 

The asteroid that had everybody excited on Tuesday is just another space rock today, but 2005 YU55 brought a surprise or two to scientists as it passed by.

As expected, YU55 zoomed harmlessly past our planet at a distance of roughly 198,000 miles (319,000 kilometers) on Tuesday, and made its closest approach to the moon hours afterward.   Full Read