What is a light-year?

What is a light-year?

7 February, 2022

Ans. A light-year is a unit of measurement for long distances. It is the distance that light travels in one year. The speed of light is around 3 lakh kilometres per second. As a result, the Sun’s distance from the Earth is approximately eight light minutes. Alpha Centauri is approximately 4.3 light-years away from the Earth.