Distant Galaxy a Has a Larger Redshift Than Distant, but Otherwise

question 77

Multiple Choice

Distant Galaxy A has a larger redshift than distant, but otherwise identical, Galaxy B.This means that Galaxy A

• A) has a larger look-back time than Galaxy B.
• B) appears to be bluer than Galaxy B.
• C) appears to be brighter than Galaxy B.
• D) is nearer to us than Galaxy B.
• E) must be an elliptical-type galaxy if Galaxy B is also an elliptical-type galaxy.

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