The truth is out there, somewhere...
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How do we define the Universe?
Started by Isher John Turner |
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How do we detect dark matter?
Started by thedoc |
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How do we detect gravitational waves?
Started by Mark Durre |
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How do we handle infinite frames?
Started by jeffreyH |
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How do we judge distance accurately?
Started by guest39538 |
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How do we know a hot pot is heavier than a cold one?
Started by Paul Anderson |
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How do we know how far away stars are?
Started by thedoc |
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How do we know it takes ''light'' approx 8 minutes to reach us from the sun?
Started by guest39538 |
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How do we know that another planet collided with Earth?
Started by Pe-Pe |
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How do we know that Humans did not exist on the Moon previously?
Started by guest39538 |
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How do we know that the big bang made a sound?
Started by Gibwitch |
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How do we know the age of the Milky Way?
Started by chris |
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How do we know the age of the universe?
Started by PL YOUNG |
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