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hubble's constant

n.
1.(cosmology) the ratio of the speed of recession of a galaxy (due to the expansion of the universe) to its distance from the observer

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    Idiom of the Day

    loom large (on the horizon)
    to be coming as a possible problem or danger or threat
    A large increase in transportation costs is looming large on the horizon.



    1.
    Will'and 'shall'are the only modals that can refer to future time.

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