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It would be an indication that they are moving towards us.

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16y ago

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Which direction are galaxies moving when they experience blue shift?

When galaxies experience blue shift, they are moving closer to us. This phenomenon occurs when the light emitted by the galaxy is compressed into shorter wavelengths, shifting it toward the blue end of the spectrum. Blue shift is typically observed in galaxies that are part of a gravitational interaction or are falling into a larger galaxy. In contrast, galaxies moving away from us experience red shift, where the light is stretched into longer wavelengths.


What is the Doppler shift of galaxies?

It shows how galaxies are moving in relation to Earth.


When astronomers study distant galaxies they notice changes to the waves they observe describe the change to the waves they observe?

Because the universe as a whole is expanding, distant galaxies are moving away from us. As a result, electromagnetic waves emitted by those galaxies experience what is known as a red shift. Their wavelengths get longer.


What logical conclusion could be made if the light from all of the galaxies were affected by blue shift?

They would all be approaching each other.


Do galaxies shift near or far away from earth?

Most galaxies have a red shift away from us - meaning they are moving away from us. However, the Andromeda galaxy has a blue shift, which means it is moving towards us. In about 2.5 billion years time, the two galaxies will merge.


Does red shift have anything to do with irregular galaxies?

NoRed shift is the Doppler effect as it applies to the light from receding galaxies and stars.As the name suggests, "irregular" galaxies have no specific form, and so the group contains a very diverse selection of objects.


What galaxies have a blue shift?

There are about a 100 known blue shifted galaxies. The most well known, is the Andromeda Galaxy.


What is red shift inti?

When galaxies move away from us, the waves of light stretch out- ie, they become redder. The greater the red shift, the faster the galaxies are moving away from us.


What are two important discoveries hubble made that proved other galaxies exist outside our own?

Hubble discovered that the nebulas were galaxies based on the powerful telescope at Mt Wilson. The second discoveries was the red shift relationship v=HD shows that the galaxies were outside our own galaxies definitely and quantitatively, using light sources in galaxies that were standard sources that could calibrate the distance.


What are the two important discoveries Hubble made that proved other galaxies exist outside our own?

Hubble discovered that the nebulas were galaxies based on the powerful telescope at Mt Wilson. The second discoveries was the red shift relationship v=HD shows that the galaxies were outside our own galaxies definitely and quantitatively, using light sources in galaxies that were standard sources that could calibrate the distance.


What observation of the light from galaxies shows that nearly all galaxies are moving away from us?

The Red Shift or Doppler effect


What does red shift tell us about other galaxies?

Red shift indicates that other galaxies are moving away from us, implying that the universe is expanding. This phenomenon is a key piece of evidence supporting the Big Bang theory. The amount of red shift is used to determine the distance and speed at which other galaxies are moving relative to us.