Earth Shaker - #AstroMeme How far is far? We often measure distances in space using astronomical units (AU) and light-years (ly) because of the superb distances. 1 Astronomical Unit (AU) - average
LogIQids - #LearnWithLQ - What is a Light Year? Popular misconception makes one believe that a light-year is a unit of time. However, it is an astronomical unit of distance. One light-year
![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)