Strange New World Discovered: The 'Mega Earth'

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Artist's impression of Kepler-10c, an exoplanet that is 2.3 times the size of Earth and 17 times more massive. DAVID A. AGUILAR (CFA)


Meet “mega-Earth,” a souped-up, all-solid planet that, according to theory, should not exist.
The Hunt For A Second Earth
NASA's Kepler telescope was launched to find other planets just like Earth -- and now, scientists think they may have found not just one, but three! Trace shows us where they are in the solar system and why the discovery is so important.

First spotted by NASA’s Kepler space telescope, the planet is about 2.3 times larger than Earth. Computer models showed planets that big would be more like Neptune or the other gas planets of the outer solar system because they would have the gravitational heft and time to collect vast amounts of hydrogen and helium from their primordial cradles.  Read more >>

Source: http://news.discovery.com/space/alien-life-exoplanets/strange-new-world-discovered-the-mega-earth-140602.htm

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