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:
Famous quotes containing the words light and/or years:
“Of all men living [priests] are our greatest enemies. If it were possible, they would extinguish the very light of nature, turn the world into a dungeon, and keep mankind for ever in chains and darkness.”
—George Berkeley (16851753)
“In the course of twenty crowded years one parts with many illusions. I did not wish to lose the early ones. Some memories are realities, and are better than anything that can ever happen to one again.”
—Willa Cather (18731947)