New-found asteroid whizz by Earth, no danger
ScienceMay 30, 2012
A small asteroid had a close encounter with Earth on Tuesday, according to NASA scientists. The 5-meter space rock, called 2012 KP42, was not spotted until a day before it came within 14,400 kilometers of Earth. Its closest approach to Earth was less than one-26th of the average distance between the planet and the moon, which is 386,000 kilometers. However, given its diminutive size, experts sa...