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8 June, 13:17

What is dark energy?

a. energy inside a black hole

b. a form of the cosmic microwave background radiation

c. electromagnetic radiation that is not in the visible spectrum

d. whatever is causing the accelerating expansion of the universe

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Answers (1)
  1. 8 June, 14:28
    0
    Dark energy is a theoretical repulsive energy that causes the acceleration to the expansion of the universe. Among the choices, the nearest answer would be D. Dark energy can also be defined as a new form of energy, that is a dynamic field that fills up space but has an effect opposite to that of normal energy.
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