Question

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Redshifts were used as supporting evidence for the big bang theory.

Which describes redshifts? CHECK ALL THAT APPLY


The light source and observer move closer together.

Observed light shifts to a longer wavelength.

They indicate receding galaxies.

Observed light shifts to a shorter wavelength.

The light source and observer move farther apart.

They indicate approaching galaxies.

Answer 1

Answer:

Observed light shifts to a longer wavelength.

They indicate receding galaxies.

The light source and observer move farther apart.

Explanation:

Redshifts in astronomy is a way through which astronomers can indicate receding galaxies. Redshifts literally refer to when there is a disturbance in the electromagnetic spectrum due to which the wavelength of light gets longer and it moves towards the red end of the spectrum. These minuscule change in light detection can help astronomers predict the movement of light sources and can then interpolate them to reflect the movement of galaxies and stars themselves.

Answer 2

The statements that describe redshifts are:

• Observed light shifts to a longer wavelength.
• They indicate receding galaxies.
• The light source and the observer move farther apart.

What do you mean by Redshifts?

Redshift may be defined as a displacement of the spectrum of astronomical objects towards the longer wavelength, which is red.

Redshifts help the astronomers to identify the receding galaxies with reference to the wavelength. The red light possesses the highest wavelength and leads to moving the light sources to the end of the spectrum.

Therefore, above are the statements that describe the phenomenon of redshifts.

To learn more about Redshifts, refer to the link:

https://brainly.com/question/12577830