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Light from Alien Super-Earth Seen for 1st Time

Light from Alien Super-Earth Seen for 1st Time

2012-05-09
Source: Yahoo


Light from an alien "super-Earth" twice the size of our own Earth has been detected by a NASA space telescope for the first time in what astronomers are calling a historic achievement.

NASA's infrared Spitzer Space Telescope spotted light from the alien planet 55 Cancri e, which orbits a star 41 light-years from Earth. A day on the extrasolar planet lasts just 18 hours.

The planet 55 Cancri e was first discovered in 2004 and is not a habitable world. Instead, it is known as a super-Earth because of its size: The world is about twice the width of Earth and is super-dense, with about eight times the mass of Earth.

But until now, scientists have never managed to detect the infrared light from the super-Earth world.........





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