In the 1990s, Astronomers Studying Distant Type Ia Supernovae Discovered

Multiple Choice

In the 1990s, astronomers studying distant Type Ia supernovae discovered that the

A) universe's expansion rate has been decreasing with time.
B) universe is finite in size.
C) universe's expansion rate has been increasing with time.
D) rate of supernova explosions has been increasing with time.
E) universe's expansion rate has stayed constant with time.