Spitzer Space Telescope confirms nearest rocky planet

The Earth's cosmic neighborhood got a bit more crowded as NASA announced that its Spitzer Space Telescope has confirmed the presence of the closest rocky planet to the Solar System. Orbiting a visible main-sequence star 21 light years away in the constellation of Cassiopeia, HD 219134b is larger than Earth and is uninhabitable.

.. Continue Reading Spitzer Space Telescope confirms nearest rocky planet Section: Space Tags: Exoplanet Spitzer NASA ...

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