Question

What is dark energy?​

Answer 1

Answer:

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Dark energy is one of the great unsolved mysteries of cosmology. It’s now thought to make up 68% of everything in the universe.

Dark energy is one of the great unsolved mysteries of cosmology. It’s now thought to make up 68% of everything in the universe.Dark energy is the name given to the mysterious force that’s causing the rate of expansion of our universe to accelerate over time, rather than to slow down. That’s contrary to what one might expect from a universe that began in a Big Bang. 

Explanation:

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Answer 2

Answer:

In physical cosmology and astronomy, dark energy is an unknown form of energy that affects the universe on the largest scales.

Explanation:

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