First Asteroid Companion of Earth Discovered at Last
Wednesday, July 27, 2011 - 19:00
in Astronomy & Space
The first in a long-sought type of asteroid companion to Earth has now been discovered, a space rock that always dances in front of the planet along its orbital path, just beyond its reach.The asteroid, called 2010 TK7, is nearly 1,000 feet (300 meters) across and currently leading the Earth by about 50 million miles (80 million kilometers). [More]