NASA Report: 4,700 Asteroids Currently Threaten Earthyesterday in inquisitr.com
A study by NASA using their Wide-field Infrared Survey Explorer (WISE) has led to a new assessment in the number of asteroids that are potentially hazardous to Earth. The results also revealed new information about their origins, and how many asteroids are around Earth.
The PHAs (potentially hazardous asteroids, are a part of a larger group of space rocks near Earth. This specific type has the closes orbit to Earth, at 5 million miles nearby.
According to NASA.com, they are also capable of...