Which of the following statements about dark matter and dark energy is/are true? Choose one or more: Both exceed the matter-energy equivalent of luminous matter. Dark matter has only an attractive gravitational effect, while dark energy is repulsive. While the nature of dark matter has been determined, the nature of dark energy has not.

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26-08-2019
Physics

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Which of the following statements about dark matter and dark energy is/are true? Choose one or more: Both exceed the matter-energy equivalent of luminous matter. Dark matter has only an attractive gravitational effect, while dark energy is repulsive. While the nature of dark matter has been determined, the nature of dark energy has not.

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ConcepcionPetillo ConcepcionPetillo · Answer 1 · 2019-08-30T13:39:44+02:00

Answer:

Both exceed the matter-energy equivalent of luminous matter

Dark matter has only an attractive gravitational effect, while the dark energy is repulsive in nature

Explanation:

Dark matter is defined as the matter which consists of about 85% of the total matter of the universe and is no-baryonic in nature.

It is attractive in nature and exerts gravitational pulling effect. Even individual galaxies are under the influence of dark matter. It is way more powerful than the visible matter.

Dark energy is that form of energy which is said to be responsible for the universe's expansion and is repulsive in nature