What Do Astronomers Believe Will Be the Final State of Our

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
E) a universe that stops expanding once enough stars become black holes