Multiple Choice
How do astronomers create three- dimensional maps of the universe?
A) by interpreting the peculiar velocities of each galaxy
B) by using a galaxy's position on the sky and its redshift to determine its distance along the line of sight
C) through the comparison of computer models of galaxy formation with observations
D) by carefully measuring the parallax of each galaxy
E) by using a galaxy's position on the sky and its brightness as a measure of distance along the line of sight
Correct Answer:
Verified
Correct Answer:
Verified
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