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:

    “A light heart lives long.”
    —William Shakespeare (1564–1616)

    “Every constitution..., and every law, naturally expires at the end of 19 years [a generation]. If it be enforced longer, it is an act of force, and not of right.”
    —Thomas Jefferson (1743–1826)