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You are here: Home / Space / How Do Stars Move Across the Universe and Why Do Stars Move Across the Sky At Night?

How Do Stars Move Across the Universe and Why Do Stars Move Across the Sky At Night?

April 22, 2020 by Karen Hill

Traditionally, people have thought of the stars as immovable and permanent, but they do move.

We know the stars move because we know that the universe is expanding.

But Earth is also moving in the expanding universe, so the movement of the stars is imperceptible, you can’t see it.

“Wait a minute,” you might say. “I can see the stars move across the sky every night. They rise in the east and set in the west, just like the Sun.”

Just like the Sun, however, the stars only seem to move because Earth is rotating on its axis.

We are the ones who are moving relative to the stars.

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  • How do astronomers know how far away stars and galaxies are from earth?
  • Who Discovered other Galaxies in the Universe and that the Sun is part of the Milky Way Galaxy?
  • What Does the Rhyme “Red Sky At Morning, Sailors Take Warning, Red Sky At Night, Sailors’ Delight” Mean?
  • How is the Universe expanding and Who discovered that the expansion of the universe is accelerating?
  • Who Discovered that the Universe is Expanding and millions of galaxies move away from its center?
  • How do Astronomers know that the universe is expanding by studying light waves?

Filed Under: Space

About Karen Hill

Karen Hill is a freelance writer, editor, and columnist. Born in New York, her work has appeared in the Examiner, Yahoo News, Buzzfeed, among others.

Previous Post: « What Is Light Made Of, Where Does Light Come From, and Why Is Light a Type of Electromagnetic Radiation?
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