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That is called "redshift".

That is called "redshift".

That is called "redshift".

That is called "redshift".

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15y ago

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What is the for the change in a stars spectrum when it moves away from earth?

Doppler shift


Does the velocity of a star toward or away from earth determine measuring the shift of its spectral lines?

Yes. If the star is moving away from the Earth, its spectral lines will shift towards the red end of the spectrum. If it is moving towards the Earth, its spectral lines will shift towards the violet end of the spectrum. This is due to Doppler effect.


The apparent shift in the spectrum of a star as it moves toward or away from the earth is explained by the phenomenon known as the?

Doppler effect. This effect causes the wavelengths of light from a star to appear shorter (blueshifted) as it moves towards the Earth and longer (redshifted) as it moves away, providing valuable information about the star's motion in space.


What is an increase in the wavelength of light as a galaxy moves away from earth?

Red Shift


What is the name for the change in a stars spectrum when it moves away from the earth?

The change in a star's spectrum when it moves away from the Earth is called redshift. This shift occurs because the wavelengths of light emitted by the star are stretched out as the star moves away, causing the light to appear more red.


What would red shift do to helium's Fraunhofer lines?

Red shift would cause helium's Fraunhofer lines to shift towards the red end of the spectrum. This occurs because as the light from the helium source is redshifted, the wavelengths of the spectral lines observed would also increase, causing them to appear at longer wavelengths.


Does a red shift indicates that objects are moving toward earth?

Red shift occurs when an object moves away from the observer. So as you are on Earth, it is when objects move away from Earth. (Blue shift as it moves closer.) A star's red shift could be due to losing energy to gravity.


The surface of the earth moves violently in an what?

The surface of the earth moves violently in an earthquake. This occurs when there is a sudden release of energy in the earths crust. Anything from a volcano to a tectonic plate shift can cause an earthquake.


Do rocks in the earth shift into new position?

Yes, rocks in the Earth can shift positions due to movements in the Earth's crust caused by tectonic plate interactions. This can result in processes like earthquakes and mountain building, where rocks are subjected to immense pressure and movement that can cause them to shift into new positions.


What happens when a light moves away from Earth?

As a light source moves away from Earth, its light waves become stretched out, causing a shift towards longer wavelengths known as redshift. This is due to the Doppler effect, where the frequency of light is altered by the motion of the source relative to the observer. This redshift can indicate that the object emitting the light is moving away from us.


The spectral lines from distant galaxies do not match spectral lines on Earth due to?

The spectral lines from distant galaxies do not match those on Earth because of the Doppler effect, cosmic expansion, and differences in elements present in the galaxies. These factors cause the observed spectral lines to be shifted or altered compared to what we see on Earth.


What happenes if the earth's crust moves suddenly along a fault?

A sudden shift of the earth's crust along a fault could result in an earthquake.