/u/avaslash's posts
If an ancient civilization as widespread as ours today existed 200 million years ago how likely would we be to find remnants of it? A civilization as advanced as the romans? If we were to vanish how long would it take for our traces to disappear?
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How could exploding a nuclear bomb behind a space craft as in the project orion concept propel a ship, with no air to provide a shock wave?
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When energy is put into an atom it releases photons. This may sound stupid but can atoms run out of photons or can they convert other forms of energy into photons?
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If you had a ring station around the entire planet but in orbit would people experience weightlessness, simulated gravity from centripetal force, or the gravity of earth?
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With all the winds on Jupiter why aren't the gasses thoroughly mixed, in other words, why such amazing patterns and not just one single color like Uranus?
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