Multiple Choice
Is the universe really expanding? If so,how do we describe the expansion?
A) It is not expanding-it is our local space that is getting smaller as we fall into a supermassive black hole,making the universe seem bigger and bigger.
B) Space itself is expanding,carrying the galaxies (or superclusters of galaxies) with it.
C) An infinitely small but infinitely dense clump of matter exploded,sending the galaxies (or superclusters of galaxies) hurtling out through space.
D) The energy from all the stars is heating the universe,making it expand like a gas that is heated.
Correct Answer:
Verified
Correct Answer:
Verified
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