bluewasp649Lv1
5 Dec 2021
Problem 7c
Page 983
Section: Search and Learn
Chapter 33: Astrophysics and Cosmology
Textbook ExpertVerified Tutor
5 Dec 2021
Given information
The closest galaxy to
us, the Andromeda Galaxy, 2.5 million light-years away, is
approaching us at a speed of about
Step-by-step explanation
Step 1.
The relation between time, speed and distance is given by
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