What is dark energy????.???????
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Answered by
3
Answer:
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. Astronomers in the 20th century learned the universe is expanding
Explanation:
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Answered by
5
Explanation:
We need dark energy to explain why gravity seems to be driving galaxies in our universe apart instead of pulling them together. The nature of dark energy is one of the most important unsolved problems in all of science.
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