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

Question

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

Quizplus · Accepted Answer

The Answer of 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

When We Look at Galaxies in the Universe and Measure