Astronomers find proof of unseen planet beyond Pluto
Washington: Astronomers claim to have found evidence that suggest a planet four times the size of Earth may be skirting the edges of the solar system beyond Pluto.
Publication Date:
28/05/2012
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Washington: Astronomers claim to have found evidence that suggest a planet four times the size of Earth may be skirting the edges of the solar system beyond Pluto.