"many worlds"
-gravity
Ideas that are…
The stars are so far away that, next to their distance, the Earth’s orbit is like a point. Their shift is far too small to see.
If the Earth circled the Sun, we would see the stars from different places over the year, so they would seem to shift back and forth. They don’t.
The Sun and the stars stand still. The Earth circles the Sun, which lies in the middle of its orbit, and spins as it goes.