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The stars aren't blurry because there moving too and from our frame of refernce the earth is slow
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∙ 14y ago
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Earth spinning on its axis?
Yes, the earth does spin around its axis. That's what causes the apparent movement of the sun and the stars. If your question was rather what spinning on its axis mean? Ever saw a sphere spinning? It means that.
Is there a star that rises in the west and set in the east?
The Earth rotates, not the stars, so unless the Earth starts spinning backwards, no.
What is something besides the earth that needs an axis?
Anything that rotates. Stars, planets, moons, galaxies, a rotating wheel, a spinning football, etc.
Why are there not any stars in the sky in September?
why arent there any stars in the sky some times
Why do constellation appears to move across the sky at night?
Because the Earth rotates. Stars will "rise" in the east and "set" in the west, just like the sun.
What can cause the stars to change their position?
The Earth spinning around.
Earth spinning on its axis?
Yes, the earth does spin around its axis. That's what causes the apparent movement of the sun and the stars. If your question was rather what spinning on its axis mean? Ever saw a sphere spinning? It means that.
Do the stars move from one place to other?
No, It`s an illusion caused by the spinning earth.
Is there a star that rises in the west and set in the east?
The Earth rotates, not the stars, so unless the Earth starts spinning backwards, no.
Which star is opposite to earth?
There is no specific "opposite" to Earth. The Earth is a sphere: it has no front or back. In addition, the Earth is continually spinning. If you were to go outside at night and look at the stars over time, you will notice the stars are moving.
What causes the stars and other objects to move across the sky each night?
the stars "move" because of the way earth spins so then the constellations and stars look like they're moving but it realy is the earth that moves. In other ways the stars stay ware they are while the earth is spinning
Do stars leave during the day?
No they don't. The stars are always there in the sky. The earth turns one full rotation in 24 hours. During the day, our side of the earth is facing towards the sun (which is a star itself). During the night, our side of the earth is facing away from the sky out into space, where all the stars are. So the stars never go away, it is only the earth spinning around.
Why do stars appear to rotate on an imaginary North-South axis once every 24 hours?
That's because Earth is spinning on its axis.
Why isn't altazimuth system a useful system for plotting positions of stars?
Because the Earth is spinning at a rate of 15 degrees per hour.
What is something besides the earth that needs an axis?
Anything that rotates. Stars, planets, moons, galaxies, a rotating wheel, a spinning football, etc.
Why do stars seem to make a circle in the sky?
The stars, as seen from the Northern Hemisphere, appear to circle around Polaris, the North star. They seem to circle around the north pole because the Earth rotates, while the stars are still. As we spin around, stars move out of our view and new ones enter. When looking up to the North pole, it is possible to see stars appear to be slowly spinning around the North star. In the Southern Hemisphere there is no conveniently located star but the stars still seem to spin around a point in the sky. The Sun seems to circle the Earth but again, the Earth is rotating and the sun is still. It's actually Earth that is spinning.
Why aren't stars always in the same part of the sky at night?
Because not all stars are supposed to be in the sky at night. There are day stars, like the Sun (it's our closest star). Furthermore, the Earth is constantly spinning. This makes the Sun, Moon, and the Stars appear to rise and set each day/night. The Sun itself is spinning around the Milky Way Galaxy's center, as well.
