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  • general knowledge Online Quiz - 4723
  • Light year is related to
Multiple choice general knowledge

Light year is related to

  1. Energy

  2. Speed

  3. Distance

  4. 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 how far light travels in vacuum in one year (about 9.46 trillion kilometers or 5.88 trillion miles). Astronomers use it to measure vast distances between stars and galaxies.

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