0
Because as the night progresses the Earth spins making them appear to move. When the Earth spins once relative to background stars this is known as the "sidereal day" this is different than the normal day in that it is six minutes longer. The sun sometimes obscures constellations so naturally if a human were to follow the sidereal day, halfway through a year of it would have them waking up at night. Stars are also known to actually move but generally very slowly. The closest stars might relocate over the course of a couple centuries or millennia a few arc seconds.
Wiki User
∙ 12y ago
Wiki User
∙ 7y agoEarth's spin produces the illusion the stars (except Polaris) drift across the night sky. Polaris, or the North Star, appears to make a tiny little circle.
In reality, the stars ARE drifting through the depths of interstellar space, as they whirl around the center of our galaxy in two hundred million year orbits. And as they drift they tend to bob back and forth through the plane of the galaxy, a bit like ponies on a carousel. It is just that they are so distant their proper motion can only be detected with sensitive instruments, or by comparing photographs taken over subsequent years.
Wiki User
∙ 12y agoThe earth is constantly rotating, so the stars appear to move accross the sky from our perspective on the earths surface.
Wiki User
∙ 15y agoThey appear to move across the sky because of the position of the viewer on a rotating planet with a moving field of view.
Wiki User
∙ 8y agoThat's the result of Earth's rotation.
Add your answer:
Earn +20 pts
What does the stars danced playfully in the moonlit sky mean?
it means the stars move in the sky:)
Why do stars and constellation appear to move in the night sky?
Stars and constellations appear to move in the night sky because the Earth is rotating, while the stars and constellations stay there.
Why do patterns of stars in the sky stay the same although they appear to move across the sky nightly?
The patterns appear the same because the stars are so far away that their movement is not apparent to our eyes. They move across the sky because the earth is rotating and that makes it look like the stars are moving. Just like the sun does not move across the sky, the earth rotates and the sun appears to move, the same is with the stars.
Why do stars appear to move in the sky?
because of earths rotation
Does big dipper move through the night sky?
Yes because stars move so they would move through the night sky!!!! If you were to watch a constellation, it would appear to move through the sky but really the Earth's rotation and revolution about the Sun gives the appearance of the stars moving.
What does the stars danced playfully in the moonlit sky mean?
it means the stars move in the sky:)
Why do stars and constellation appear to move in the night sky?
Stars and constellations appear to move in the night sky because the Earth is rotating, while the stars and constellations stay there.
Who was the first person to explain why the sun and stars move acreoss the sky?
Ellen Kim was the first to explain why the sun and stars move across the sky in 1858
What direction did Regulus move across the sky from?
Regulus stars appear to move across the sky from East to West (:
Why do patterns of stars in the sky stay the same although they appear to move across the sky nightly?
The patterns appear the same because the stars are so far away that their movement is not apparent to our eyes. They move across the sky because the earth is rotating and that makes it look like the stars are moving. Just like the sun does not move across the sky, the earth rotates and the sun appears to move, the same is with the stars.
Do the stars move across the sky?
Yes, stars do move around in the sky, but their apparent motion is very small, such that it would require centuries to note significant change in their positions.
Why do stars appear to move in the sky?
because of earths rotation
Which way do the stars move across the sky?
east to west
Does big dipper move through the night sky?
Yes because stars move so they would move through the night sky!!!! If you were to watch a constellation, it would appear to move through the sky but really the Earth's rotation and revolution about the Sun gives the appearance of the stars moving.
Do all stars in the sky move?
Yes, all stars have a relative position and they al move within certain limits. Most stars move visually very slowly, so the Greeks and Romabns would have seen nearly the same night sky as we do.
Why do stares appear to move across the sky during night?
cos some are shooting stars and comets! and stars move around
Do stars move daily?
2. No. The stars in the sky stay in their positions essentially all the time.It is the Earth that rotates, giving the illusion of the stars and Moon rising in the eastern sky.
