Multiple choice general knowledge science & technology

What does light year measures?

  1. time

  2. weight

  3. distance

  4. light intensity
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

A light year is a unit of distance, not time. It measures the distance that light travels in one year in a vacuum, which is approximately 9.46 trillion kilometers. Despite having year in its name, it measures distance, not time, weight, or light intensity.

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