Multiple choice

Which of the following units of length is used to measure distance between earth and stars?

  1. Light year

  2. Microns

  3. Angstroms

  4. None of these

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

A light year is the distance light travels in one year, which is the standard unit for measuring vast astronomical distances between stars. Microns and Angstroms are used for microscopic or atomic scales.