![A light year (ly) is a unit of distance defined as the distance light travels in one year. Numerically, 1 ly= 9 500 000 000 000 km. How many metres are in a light year? A light year (ly) is a unit of distance defined as the distance light travels in one year. Numerically, 1 ly= 9 500 000 000 000 km. How many metres are in a light year?](https://d10lpgp6xz60nq.cloudfront.net/web-thumb/30554747_web.png)
A light year (ly) is a unit of distance defined as the distance light travels in one year. Numerically, 1 ly= 9 500 000 000 000 km. How many metres are in a light year?
![SOLVED:Astronomy One light-year is defined by astronomers to be the distance that a beam of light will travel in 1 year (365 days). If the speed of light is 186,000 miles per SOLVED:Astronomy One light-year is defined by astronomers to be the distance that a beam of light will travel in 1 year (365 days). If the speed of light is 186,000 miles per](https://cdn.numerade.com/previews/65ca9e9c-fb95-47cd-93d7-aef84b7cb04e_large.jpg)
SOLVED:Astronomy One light-year is defined by astronomers to be the distance that a beam of light will travel in 1 year (365 days). If the speed of light is 186,000 miles per
![SOLVED: A light-year is the distance that light travels in one year: The speed of light is 3.00 x 108 m/s How many miles are there in one light-year? (1 mi = SOLVED: A light-year is the distance that light travels in one year: The speed of light is 3.00 x 108 m/s How many miles are there in one light-year? (1 mi =](https://cdn.numerade.com/ask_images/554d8f7303b54116b64063eb062b0c93.jpg)