light-year, n.
the distance that light travels in a vacuum in 1 year; 5.88 trillion miles or 9.46 trillion kilometers
<noun.quantity> freq. cnt.: 1 freq. cnt.: 1
light year light-year
Word
the distance that light travels in a vacuum in 1 year; 5.88 trillion miles or 9.46 trillion kilometers
<noun.quantity> freq. cnt.: 1 freq. cnt.: 1
light year light-year