Multiple Choice
What do astronomers believe will be the final state of our universe?
A) a "Big Crunch" in which everything collapses back in on itself
B) an ever-expanding universe filled with nothing but hydrogen and helium gas
C) a universe that stops expanding and is filled with nothing but white dwarfs, neutron stars, and black holes
D) an ever-expanding universe filled with photons and elementary particles
Correct Answer:

Verified
Correct Answer:
Verified
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