Rendering of a possible alien Exo-planet. Elements of this image furnished by NASA. (Stock image) Credit: © mode_list / Fotolia
New research has revealed fewer than predicted planets may be capable of harboring life because their atmospheres keep them too hot. When looking for planets that could harbor life, scientists look for planets in the ‘habitable zones’ around their stars – at the right distance from the stars to allow water to exist in liquid form. Traditionally, this search has focused on looking for planets orbiting stars like our Sun, in a similar way to Earth.
However, recent research has turned to small planets orbiting very close to stars called M dwarfs, or red dwarfs, which are much smaller and dimmer than the Sun...
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