The proper interpretation of a what a galaxy's redshift measures is ____.
A) its motion in space toward the observer
B) its motion in space away from the Big Bang
C) the stretching of space between the galaxy and the observer
D) the contraction of space between the galaxy and the observer
E) the stretching of space between the galaxy and the Big Bang
Correct Answer:
Verified
Q10: The Hubble time is_.
A) an estimate of
Q27: The microwave emission detected by Arno Penzias
Q28: The cosmic microwave background radiation was emitted
Q32: The Big Bang only created hydrogen and
Q33: Penzias and Wilson detected microwave radiation because
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