In space how does one tell what direction being no fixed point? Or how does one tell up from down and so on?

https://lemmy.world/post/43973185

In space how does one tell what direction being no fixed point? Or how does one tell up from down and so on? - Lemmy.World

Lemmy

Direction is relative. Gravity on earth it’s easy since we all have the same down. But in space you just orient on whatever you can to describe your frame of reference.