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hubble's law

n.
1.(astronomy) the generalization that the speed of recession of distant galaxies (the red shift) is proportional to their distance from the observer

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    Idiom of the Day

    half the battle
    a large part of the work
    Writing the letters will be half the battle. We can finish the rest of the work later.



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    Unit
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    Formula : 0.0254
    in si : 0.0254
    si unit : m
    in cgs : 2.54
    cgs unit : cm
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