One clue that tells us the Earth is moving is the apparent motion of stars in the night sky.

Here's why:

* Earth's Rotation: The Earth spins on its axis, completing one rotation roughly every 24 hours. This rotation causes the stars to appear to move across the sky in a circular pattern.

* Observing the Motion: If you stand in one place and look at the stars for a few hours, you'll notice that some stars rise in the east, move across the sky, and set in the west. This apparent movement is a direct consequence of the Earth's rotation.

While we can't feel the Earth rotating, this observed motion of the stars is strong evidence that our planet is in constant movement.