The Majority of the Energy in Our Universe Is

Multiple Choice

The majority of the energy in our universe is

A) radiated by stars from the nuclear fusion going on in their cores.
B) the kinetic energy found in the collisions of galaxies.
C) the gravitational potential energy of superclusters.
D) emitted in radioactive decays of unstable elements.
E) made up of dark energy that permeates space.