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A team of astronomers that includes the University of Hawaii's Nader Haghighipour has declared the discovery of a new planet that could have water on its surface.

Discovered using one of the telescopes of the W. M. Keck Observatory on Mauna Kea, the planet is probably 30 percent larger than Earth and orbits a relatively small star, Gliese 581 in the constellation Libra the Scales.

"By determining the orbit of this planet, we can deduce that its surface temperature is similar to that of Earth," said Haghighipour.

This means that at least some of any water on its surface and in its atmosphere will be in liquid form rather than ice or vapour.

http://story.hawaiitelegraph.com/index.php/ct/9/cid/6b17ec7a35065289/id/691424/cs/1/
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