Light Years

Light Years

A light year is the distance that light travels through a vacuum in one year.

Light year(s) and lightyear(s) may also refer to:

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Famous quotes containing the words light and/or years:

    “The earth had a single light afar,
    A flickering, human pathetic light,
    That was maintained against the night,
    It seemed to me, by the people there,
    With a Godforsaken brute despair.”
    —Robert Frost (1874–1963)

    “I have no faith in human perfectability. I think that human exertion will have no appreciable effect upon humanity. Man is now only more active—not more happy—nor more wise, than he was 6000 years ago.”
    —Edgar Allan Poe (1809–1845)