Which parameter of the present universe is considered to be critical in determining the ultimate fate of the universe?
A) amount of mass in black holes in the universe
B) number of neutrinos in the universe
C) amount of matter and energy in the universe
D) number of photons of radiation in the universe

Question

Quizplus · Accepted Answer

The amount of matter and energy in the universe is critical in determining its ultimate fate because it influences the universe's overall density. This, in turn, affects whether the universe will continue to expand indefinitely, halt expansion and begin to contract, or reach a stable size.

Which Parameter of the Present Universe Is Considered to Be