Question

why do stars appear to move across the night sky? the stars are revolving around the center of our milky way galaxy most constellations are moving galaxies with redshift the earth is revolving around the sun the earth is rotating on its axis

Explanation:

The apparent motion of stars across the night - sky is mainly due to the Earth's rotation on its axis. As the Earth spins, the vantage point of the observer on Earth changes, making stars seem to move. The revolution of the Earth around the Sun affects the stars visible at different times of the year rather than the daily apparent motion. Stars revolving around the center of the Milky Way and galaxy redshift are not responsible for the daily motion of stars across the sky.

Answer:

The Earth is rotating on its Axis