@neiltyson Yo is it true that, even tho there are 7 billion more people today than 3 million years ago, that the world weighs the same now??
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Could've just said no. Lol
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The last Napoleonic heir to the throne of France was killed buy a Zulu spear fighting for England in the last Zulu war.
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News you can use!
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So the balance of mass and gravity keeping the earth and moon in orbit is unaffected by increased gravitational pull from more mass?
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So we're hurtling to death SLOWLY. I can live (to a million) with that.
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How many gnats, how massive are each of them and how massive is the elephant?
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Interesting. Off topic. What is a great first book you would recommend for someone interested in Astrophysics?
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But how much mass do we lose from atmospheric loss of light gases to space?
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Look at the universe like a compact disk. Some forces like gravity are re-used from one plane of existence to the next.
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Neutrinos must be responsible for dark matter. They move at a velocity slightly less than c. They have mass. They almost never interact.
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I'm still confused: these meteors are hitting the earth every day? Are they vaporized when entering the atmosphere?
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Would it slow the earth down from spinning?
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Or, the orbit doesn't depend on mass, since both gravity and centripetal force change in same rate? What about conservation of momentum ?
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