الثلاثاء، 30 أغسطس 2016

New evidence strengthens the case for ‘Planet 9’ in the outer solar system

planet-nine-artist-illustration
There could be a giant planet lurking in the frozen depths of the outer solar system, and more evidence suggests it's out there.

sourse ExtremeTechExtremeTech http://ift.tt/2bDAquW

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