eli5: If the sun revolves around the galaxy, why do we still see the same constellation that was discovered by the Romans (probably 1000s of years ago). surely they should have been scattered by now due to revolution of the sun combined with the revolution of the earth around with sun

Question

Thnx to all, for the answer. I had a good time discussing and clearing my doubt.

In: 179

Answer 1

They have moved from their original positions but due to the speed at which light travels and the distance between us and them it doesn’t appear they have, as an example it takes something like 3 minutes for light from the sun to reach earth so if our sun just suddenly went out, it would be about 3 full minutes before anyone on earth could see the light disappear.