What is the accelerating universe theory?
The accelerating universe is a theory that suggests the expansion of the universe is not slowing down, as once thought, but is instead accelerating.
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What is dark energy?
Dark energy is a form of energy thought to permeate all of space, tending to accelerate the expansion of the universe.
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What is the role of dark matter in the universe?
Dark matter is believed to be the gravitational 'glue' that holds galaxies and galaxy clusters together.
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What is the significance of the discovery of dark energy?
The discovery of dark energy has led to the realisation that the universe is not only expanding, but accelerating in its expansion.
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What are the relative percentages of matter, dark matter and dark energy in the universe?
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