27 Dec '11, 2am

The Earth has always had two moons, US study claims

The Earth has always had two moons, US study claims

The Earth has always had a second moon, a new study has claimed. -- PHOTO: REUTERS (KOREA HERALD/ASIA NEWS NETWORK) - The Earth has always had a second moon, a new study has claimed. When astronomers in Arizona found a mysterious titanium white object orbiting the Earth in the fall of 2006, it looked like a spent rocket stage. But closer inspection revealed that the object called 2006 RH120 was a natural body. It was a tiny asteroid measuring just a few metres across but it still qualified as a natural satellite just like our Moon. Captured by the Earth's gravitational field, it rotated around the Earth until June 2007. In the new study, astrophysicists claim that it was not an anomaly but a temporary second moon. According to Cornell University's Mikael Granvik, Jeremie Vaubaillon and Robert Jedicke, they have calculated the population of 'irregular natural satellites tha...

Full article: http://www.straitstimes.com/BreakingNews/ANN/Story/STISto...

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