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What does a cosmological redshift tell you?

Nursesn

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2 months ago

What does a cosmological redshift tell you?

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

Textbook

ASTRO

ASTRO

Edition: 3^rd

Authors: Ghose, Milosevic-Zdjelar, Read

Read 30 times

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chanelstar27

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Nursesn Author

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Correct

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Transonic

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julymontalvo

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Smart ... Thanks!

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