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How does the color of stars from earth differ from their actual color?
Since the stars are not stationary in relation to earth, i.e. they are moving towards or away from the Earth, their light will be subject to Redshift (if they are moving away) or Blueshift (if they are getting closer). The faster they are changing distance, the greater the shift in wavelength.
Which has a higher frequency a star moving away from earth or towards earth?
I would think that current evidence suggests that the stars moving away from earth, some of them in far distant galaxies moving at unimaginably high speeds, are going much faster than stars moving toward us. The entire Andromeda galaxy is moving toward us and will collide with us in roughly 5 billion years, and it is not moving anywhere near as fast as the distant retreating galaxies.
Why do stars look like they are moving?
Stars appear to be moving across the sky due to the Earth's rotation on its axis. As the Earth spins, different parts of the sky come into view, making it seem like the stars are moving. This phenomenon is known as apparent motion.
Are there little moving stars?
They only appears moving due to the rotation of the earth.
Why do stars appear to move?
Some stars ARE moving towards us. The Andromeda Galaxy will collide with us in millions of years. The universe is expanding because of the "Big Bang", so almost everything is moving away from us.
Why it looks like the stars are moving in the sky?
The movement of stars in the sky is due to Earth's rotation on its axis. As the Earth rotates, the stars appear to move across the sky from east to west. This is why we observe stars rising in the east and setting in the west.
What causes the stars in the sky to appear to be moving?
The Earth's rotation. The relation between the Earth (or a person on the Earth) and the position of the stars makes it appear that the stars are in a different position as the night progresses.
Why does the stars look like there moving across the sky?
Because the earth is rotating thus creating the illusion that the stars are moving across the sky.
Does the medium of space make distance stars appear to be more red shifted only because they are farther away?
Distant stars appear red shifted because they are travelling away from Earth. It just happens that more distant stars are moving faster, so there is a greater red-shift the further a star is from the Earth.
How can you determine the direction in which a comet is moving?
You can determine the direction in which a comet is moving by observing its motion against the background stars over a period of time. If the comet appears to be moving eastward against the stars, it is moving in a westerly direction in relation to the Earth. If it appears to be moving westward, it is moving in an easterly direction from Earth's perspective.
What you get when stars are moving away?
When stars are moving away from us, we observe a phenomenon called redshift. This redshift occurs because the light from the stars is stretched, causing its wavelength to become longer. The greater the redshift, the faster the star is moving away from us.
Do stars move during the night?
Yes, stars appear to move across the sky at night due to Earth's rotation. This motion is caused by the Earth spinning on its axis, making it seem like the stars are moving when actually it's the Earth moving.
