Multiple choice

Light years is used to measure distance between _______.

  1. two points on earth

  2. stars

  3. both 1 and 2

  4. none of these
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

A light year is a unit of distance used in astronomy to measure vast distances between stars and galaxies. It represents the distance light travels in one year (about 9.46 trillion kilometers or 5.88 trillion miles). This unit is impractical for Earth-bound distances due to its enormous scale.

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