Multiple Choice
One of Edwin Hubble's discoveries is that the known universe is expanding.This means that
A) most all observable galaxies are moving away from each other.
B) light rays bend as they near the event horizon of a black hole.
C) light rays undergo acceleration as they travel vast distances.
D) the mass of the universe is slowly dissipating.
Correct Answer:
Verified
Correct Answer:
Verified
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