/u/apoeticturtle's posts
If all the ground water is used up in an area (aquafers collapse), can the ground water recollect again?
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If a commercial airliner was in a nosedive from 20,000-30,000 feet, would the passengers be pressed against the backs of their seats or hanging forward, by their seat belts, towards the nose?
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If a global catastrophe happened, such that communicating and monitoring of space was cut off, but earth remained hospitable, could any astronauts in space return to Earth safely?
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How can everything in the universe be getting further away from everything else, yet we are on a collision course with another galaxy?
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