Pan-STARRS discovers its first potentially hazardous asteroid
Tuesday, September 28, 2010 - 08:00
in Astronomy & Space
The Panoramic Survey Telescope and Rapid Response System (Pan-STARRS) PS1 telescope has discovered an asteroid that will come within 4 million miles of Earth in mid-October. The object is about 150 feet in diameter and was discovered in images acquired on September 16, when it was about 20 million miles away...