Multiple Choice
A recent record for the most distant galaxy yet discovered was held by a galaxy that has a redshift of z =8.68.Compared with the current scale factor of the universe, what was the scale factor when the light from that galaxy started its long journey to us?
A) about 10 times smaller
B) about 50 percent smaller
C) about 0.001 percent smaller
D) about 99 percent smaller
E) about 250 percent bigger
Correct Answer:
Verified
Correct Answer:
Verified
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