What is dark energy?
A) It is the same as dark matter.
B) It is the same as normal matter.
C) It is the same as normal radiation energy.
D) It is an unknown type of energy that causes a form of "antigravity."

Question

Quizplus · Accepted Answer

Dark energy is an unknown type of energy that is hypothesized to exist and is responsible for the accelerating expansion of the universe. It is different from dark matter in that it does not interact with normal matter or radiation, but instead causes a form of "antigravity."

What Is Dark Energy