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Home Q & A Board Science-Related Homework Help Physics Astronomy
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Nursesn Nursesn
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2 months ago

What does a cosmological redshift tell you?



▸

how fast a galaxy is moving away from us



▸

the strength of gravity where the light was emitted



▸

the amount of time dilation caused by a galaxy's motion



▸

how much the universe has expanded since the light was emitted

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ASTRO

ASTRO


Edition: 3rd
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chanelstar27chanelstar27
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2 months ago
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Nursesn Author
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2 months ago
You make an excellent tutor!
oscar520000
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Yesterday
I appreciate what you did here, answered it right Smiling Face with Open Mouth
megan.xo
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2 hours ago
Thank you, thank you, thank you!
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