May 1, 2025
Science

Does the Pole Star that we see motionless in the sky really not move at all?

  • July 20, 2024
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Curious about all of us heaven events Even though there are still things we can’t figure out in the stars closest to us. This curiosity is special of

Does the Pole Star that we see motionless in the sky really not move at all?

Curious about all of us heaven events Even though there are still things we can’t figure out in the stars closest to us.

This curiosity is special of the pole star The special location makes it even deeper. Is the pole star really standing still?

The North Star appears to rest at a fixed point in the sky.

North Star

There is something in particular that we have heard from the past until now: The Pole Star points north. We think that the brightest star in the sky is the North Star, mainly because of its fixed appearance and because it is “bright”, as we have been taught since childhood.

As the Earth rotates on its axis, a star is formed If it is in the direction of this axis, its position does not change. This star is usually the North Star.

This fixed appearance of the Pole Star is actually related to the rotation of the Earth.

North Star

As the Earth rotates on its own axis, depending on the perspective of the observer, other The stars follow a circular motion across the sky. The Pole Star is almost exactly on this rotation axis and therefore remains relatively stationary throughout the night.

However, we must not forget that the North Star also changes over time. Rotational axis of the earthit makes a wobbling motion over time, and this can change the location of the pole star.

So current North Star Although he will continue to fulfill this role for thousands of years, he will later pass it on to another star.

Sources: Earthsky, Explaining Science

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