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How do u measure the cosmological red shift? 4. You observe a distant cluster and determine...

Question:

how do u measure the cosmological red shift?

4. You observe a distant cluster and determine that it is 400 Mpc away. a. What cosmological redshift would you measure for a

4. You observe a distant cluster and determine that it is 400 Mpc away. a. What cosmological redshift would you measure for a member of this cluster? b. How large was the Universe, relative to its present size, when the light we observe now was emitted?

Answers

Qo the distant cluster is 400 MPC away z (t): Ho d + ß d2 + ... a for very large a Corrections will be very small Z(t) = had

.

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