/u/vannucker's posts
How many trees would it take to sequester the carbon we've added to the atmosphere since the year 1900.
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If humans disappeared today, what would happen in the coming decades/centuries/millennia to the climate? Sea level rise? CO2 levels in the atmosphere? Glaciers? Would it ever return to a per-Industrial Revolution state?
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Just watched the new Three Musketeers movie. Spoilers, how big of a balloon would you need for the airships to function in real life?
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How do scientists know Earth and the moon were once a single planet until a giant collisions sheared off and formed the moon?
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I heard an old radio sci-fi where the earth was so cold, they'd collect oxygen snow from outside, melt it inside. They had to melt the snow to get the oxygen to keep the fire going to melt the snow. Plausible?
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Why does only one side of the moon face us and is that common with planets and moons inside and outside of our solar system?
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