Dark energy is the unknown form of energy that drives the acceleration of the universe's expansion.

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What is the mix of ordinary mass vs. ordinary radiating energy in the universe?

I have seen data showing that the estimated mix of dark energy in the universe is 68.3%, the mix of dark matter is 26.8% and the mix of ordinary matter is 4.9%1. However, within "ordinary matter," ...
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Do we expect to find a dark energy boson?

Is dark energy expected to be a force carrying particle that interacts with all forms of matter?
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Are there any attempts to directly detect dark energy?

Instead of relying on distant supernovas for tell tale sign that most galaxies are receding at faster rates away from each other, are there any experiments in the past decades or near future that can ...
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Gluons and dark energy [closed]

According to my understanding, the dark energy is something that permeates spaces. The space in between the quantum particles(say like space between a nucleus and electrons, going even more deeper,i ...
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1answer
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The universe ringing like a bell? What would that mean for the cosmological constant?

The claim that the rate of expansion accelerates and decelerates periodically over time is here and that it has already gone through seven such cycles, each being damped further with each oscillation. ...
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Do The Diameters of Distant Objects Seem to Get Larger?

So I'm curious about the dynamics of an expanding universe, My question may stem from misunderstanding so i'll outline what I know. When we view distant objects in the observable universe we are not ...
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By what process did the era of inflation end, or has it just slowed down (a lot)?

Could someone please explain the current model regarding: a) how the era of inflation was turned off (the graceful exit idea or alternatives)? b) what the timeline is between the era of inflation ...
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Are there experiments taking place right now that might show evidence for or falsify dark energy or dark matter?

What experiments at quantum or cosmic level might provide the strongest supporting evidence for or, conversely, potential for falsifying, the existence of dark matter or dark energy?