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When We Look at Galaxies in the Universe and Measure

Question 34

Multiple Choice

When we look at galaxies in the universe and measure their star formation rates, we find that galaxies at redshifts z When we look at galaxies in the universe and measure their star formation rates, we find that galaxies at redshifts z 1 have higher star formation rates than they do now.At that time, the universe was ________ times the size it is today. A) 0.1 B) 0.2 C) 0.5 D) 0.7 E) 0.9 1 have higher star formation rates than they do now.At that time, the universe was ________ times the size it is today.


A) 0.1
B) 0.2
C) 0.5
D) 0.7
E) 0.9

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