![Should you use light-years or parsecs for astronomical distance? - Sky & Telescope - Sky & Telescope Should you use light-years or parsecs for astronomical distance? - Sky & Telescope - Sky & Telescope](http://skyandtelescope.org/wp-content/uploads/Parallax-Illustration_341px.jpg)
Should you use light-years or parsecs for astronomical distance? - Sky & Telescope - Sky & Telescope
![Freethinkers How far exactly is a light year Light travels 186,000 miles per second. There are 60 seco… in 2022 | Space and astronomy, Space ship concept art, Astrophysics Freethinkers How far exactly is a light year Light travels 186,000 miles per second. There are 60 seco… in 2022 | Space and astronomy, Space ship concept art, Astrophysics](https://i.pinimg.com/originals/c4/26/0d/c4260d831b919d80eccb27adf190c91b.jpg)
Freethinkers How far exactly is a light year Light travels 186,000 miles per second. There are 60 seco… in 2022 | Space and astronomy, Space ship concept art, Astrophysics
![relativity - Is a light year a different distance if measured from a moving object? - Physics Stack Exchange relativity - Is a light year a different distance if measured from a moving object? - Physics Stack Exchange](https://i.stack.imgur.com/KCQz4.png)
relativity - Is a light year a different distance if measured from a moving object? - Physics Stack Exchange
![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)