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Whenever there is a relative motion between a source of light and observer then frequency appears to get changed. So colour would be changed. If both recede away from one another then there will be a apparent decrease in frequency and so colour has to move towards red end of visible spectrum. This is known as RED SHIFT
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What is the opposite of the red shift?
The opposite of the red shift is the purple shift.
What is the Andromeda Galaxy's red shift?
The Andromeda Galaxy red shift is -301 km/s Which actually means it is blue shifted and is heading towards us at about 100 to 140 kilometres per second
When was The Red Shift created?
The Red Shift was created in 2005-06.
What determines galaxy motion and distance?
One of the most reliable methods employed presently is using Hubbles Laws and Constant, utilizing the red shift. RED SHIFT A+LS (:
What is the shift in the light of a galaxy toward the red wavelength called?
This phenomenon is called red shift.
What is the red shift of hydrogen?
The red shift depends on the relative motion of the emitting source and receiving detector. Hydrogen per se has no red shift. There is hydrogen with great red shift (in stars in galaxies far away that are moving rapidly away from us).
How did the Doppler effect lead to the Big Bang theory?
Actually, it wasn't the Doppler-effect that lead to the Big Bang theory, but the red-shift of remote galaxies. Although it was initially thought that this red-shift might be caused by a Doppler-effect, it is now understood that this red-shift is caused by the metric expansion of space itself.
Which astronomer discovered the red shift?
The first astronomer to discover that a galaxies red-shift was larger the further away it was was Edwin Hubble in the 1920s.The first scientist to describe red-shift in stars was actually Hippolyte Fizeau in 1848, though he was a physicist and not an astronomer.That light should be effected in this way was suspected by Christian Doppler (after whom "The Doppler Effect" is named) as early as 1842.
What does red shift show?
The red shift shows the velocity with which an object is moving away from the earth. The red shift of an object is correlated to its distance from the earth and so it is also a measure of the distance.
Are there any weaknesses or gaps in the Big Bang Theory that are being considered?
The big bang is based solely on the cosmological red shift, whereby the light from distant stars has lost energy, is assumed to be a Doppler red shift. However there is no direct evidence that that kind of a shift is actually what happens. There are also several "tired light" hypotheses.
How does red-shift support the steady state theory?
Red shift does not support the steady state theory.
When a source of light approaches an observer the light appears to be than it actually is?
Blue shifted and when it is moving away it is under a red shift.
