Sabtu, 30 Juli 2011

Earth and Asteroid 2010 TK7

Asteroid 2010 TK7 Earth has been playing "follow the leader" with a trojan asteroid for thousands of years. The first near-Earth object other than the moon to have ever been identified, TK7 shares the same orbit as our planet but about 50 million miles ahead of Earth.NASA explains:Trojans are asteroids that share an orbit with a planet near stable points in front of or behind the planet. Because

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