Multiple Choice
On the basis of recent results from very bright and very distant Type Ia supernovae,what seems to be our situation in the universe regarding the past and present motion of clusters of galaxies?
A) We live in a "flat" universe with a decelerating rate of expansion.
B) We live in an open universe with a constant rate of expansion given by the Hubble law.
C) We live in a closed universe with a decelerating rate of expansion.
D) We live in a "flat" universe with an accelerating rate of expansion.
Correct Answer:

Verified
Correct Answer:
Verified
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