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View Full Version : Astronomers Find Five Double Asteroid Systems



Fraser
2005-Oct-09, 12:07 AM
SUMMARY: According to researchers from Cornell University, binary asteroids - where a small asteroid orbits a larger one - are actually pretty common in Earth crossing orbits. In fact, they think that gravitational interactions with the Earth might actually help to cause the arrangement. The researchers estimate that 16% of asteroids larger than 200 metres in diameter have a companion - so far they've found five using two of the world's largest radio telescopes.

View full article (http://www.universetoday.com/am/publish/five_double_asteroid_systems.html)
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