• A light year is the distance that light travels in one year.
  • Speed of light - 3,00,000 km per second.
  • Thus, light travels a distance of about 9,50,000 crore km in one year.
  • Light years are used to measure vast distances in space, such as the distance between stars, galaxies, and other celestial bodies. 
  • The nearest star to our Solar System, Proxima Centauri, is about 4.24 light years away.
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Davneet Singh's photo - Co-founder, Teachoo

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Davneet Singh

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.