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  1. A distant planet seems to have a sulphur-rich atmosphere, hinting at alien volcanoes

    A distant planet seems to have a sulphur-rich atmosphere, hinting at alien volcanoes

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  2. 10 Earth-like planet's we could move to after an apocalypse.

    10 Earth-like planet's we could move to after an apocalypse.

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  4. What If Kepler 22-b Was in Our Solar System?

    What If Kepler 22-b Was in Our Solar System?

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