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Q: What is the relationship between how red-shifted a spectrum is and how fast the object is moving away?
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A spectral line that appears at a wavelength of 321 nm in the laboratory appears at a wavelength of 328 nm in the spectrum of a distant obect we say that the object's spectrum is?

A spectral line that appears at a wavelength of 321 nm in the laboratory appears at a wavelength of 328 nm in the spectrum of a distant object. We say that the object's spectrum is red shifted.


If a star is moving away from you the absorption lines in its spectrum will?

If a star is moving away from you, the emission lines in its spectrum will be shiftedtoward longer wavelengths/lower frequency/the red end of the spectrum, since theyoriginate on the star itself.But there's no effect on the absorption lines, because those are caused by materialthat's unrelated to the star, and just happens to be in the line of sight between thestar and you.


If light from galaxies is redshifted what can astronomers conclude about galaxies?

That the galaxy is moving away from us.


What are differences in colors of moving objects in space that are approaching and moving objects that are moving away?

Objects moving toward you will have a blue shift in their spectrum and objects moving away from you will have a red shift in their spectrum. This is known as a doppler shift.


Since light from distant stars have not reach us will the sky get brighter with time?

No. The vast majority of stars are so far away that even though their light is reaching us, they cannot be seen without a telescope. Additionally, the farthest stars from Earth are moving away from us so fast that their light is redshifted beyond the visible spectrum.


What is the relationship between the U.S. and Cuba today?

As of August 2016, Cuba and the United States have a difficult relationship but are moving closer to normalization.


Is a star shifting to the red spectrum moving closer or farther from us?

If it were moving it would be moving away from our perspective. However, just because a star is shifting spectrum does not mean that it is moving; it could be entering the next stage of the star life cycle.


What is the relationship between volcanoes and Earth's moving plates?

When the plates collide they form volcanoes and earthquakes.


De broglie derived a mathematical relationship between the mass and velocity of a moving particle and?

wavelength


What is the relationship between impulse and momentum?

An important relationship between impulse and momentum derived from Newton's second law, which shows that the impulse of force is equal to the change in momentum that it produces.Scientifically speaking there is a relationship between those two because they both aren't moving at all.


What happens when a star's spectrum is redshifted as a result of the Doppler effect?

With respect to light, the Doppler effect refers to the apparent change in the frequency (and wavelength) of electromagnetic radiation due to the relative motion of the source relative to the observer. When the source (i.e. a star) moves AWAY from the observer, there is an apparent rarefaction (expansion) in the wavelength of emitted light (i.e. frequency decreases), causing a shift in the emission spectrum towards the red side. This is known as redshifting --> the star is moving away from the observer. The opposite happens in blueshift, when the source moves towards the observer.


How does light from distant galaxy . galaxy out side of 32000000 light years support the big bang theory?

The light from distant galaxies is redshifted. The only reasonable explanation for that is that the galaxies are moving away from us.