In the last 7 years, humanity has discovered 43 potentially habitable planets.
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It 'snows' metal on Venus.
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An international team of astronomers has spotted the farthest known gravitational lens and, as Albert Einstein predicted, it is a galaxy that deflects and intensifies the light of a much further object.
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There is a mass reservoir of water floating in space that is 100,000 times bigger than our sun and holds 140 trillion times more water than all of our oceans.
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There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
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