Question

does stars move or not if move why constellation are always same

Answer 1

It is said that all stars are moving at different speeds and directions. Believable enough, but why, after being around for 73 years, do the stars of the Big Dipper

Answer 2

First, To understand that, you need to understand special theory of relativity. It is said that at constant speed or at rest , all scientific experiment are same for all observer if travel lower than speed of light . And another is the galaxy stars are moving at constant speed ( we know that planet far from the sun, have less gravity, but in galaxy subject all thing change, the star far or near the center of galaxy, the gravity is same, means speed is also constant) ,,may behave like star at rest that constellation never change. For more, search dark matter on Google and Mark as brainliest