![How far is a light-year? Your astronomy lessons will blow your mind even more when you understand the scale of … | Amazing science facts, Space facts, Science facts How far is a light-year? Your astronomy lessons will blow your mind even more when you understand the scale of … | Amazing science facts, Space facts, Science facts](https://i.pinimg.com/originals/c3/18/ee/c318eea7259f56b32f10ddeab6be0798.gif)
How far is a light-year? Your astronomy lessons will blow your mind even more when you understand the scale of … | Amazing science facts, Space facts, Science facts
![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/question-thumbnail/en_645590290.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?
![The light year is a measurement of distance. It is defined as the distance light travels in one year in vacuum. The speed of light in vacuum is 299792.458 kilometers per second. The light year is a measurement of distance. It is defined as the distance light travels in one year in vacuum. The speed of light in vacuum is 299792.458 kilometers per second.](https://homework.study.com/cimages/videopreview/videopreview-full/astronomical-units-light-years-definition-examples_165899.jpg)