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Background, foreground, open system, closed system, different physics, mentioned and yet not mentioned!
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71
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General Relativity and Quantum Mechanics
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International Space Station
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Atlas V rocket launching 2 satellites for the US Space Force Friday: Watch it live
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Question Could or will there soon be a large James Webb or larger size space telescope that can see further into the infrared like Spitzer or Herschel?
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"Moonfall" physics
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Astronaut spots ash clouds from Tonga volcano eruption from space (photos)
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Why is curvature not considered a conserved property?
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Cosmology
Absolute zero
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How is comet Leonard able to reach escape velocity from the solar system?
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Our Solar System
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Captain Nemesis
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Harry Costas
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