A unit for expressing astronomical distances is known as :

Options :
  1. Parsec
  2. Kilometre
  3. Light year
  4. angstorm
Answer and Explanation :-

Answer: Option 3

Explanation:

A light year is the distance that light travels in one year. It is most commonly used for the distances to stars and other galaxies.

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By: Ravi On: Jan/26/2017

Is any mobile app for this???

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