If the Fate of the Universe Were Determined Solely by What

Multiple Choice

If the fate of the universe were determined solely by what is currently known to be the total mass of the universe in luminous and dark matter (excluding dark energy) , astronomers would predict that we live in a universe that will

A) expand forever.
B) slow its expansion and eventually reach a steady state.
C) stop expanding and eventually collapse.
D) oscillate between expansion and collapse.
E) expand so quickly that it will rip apart.