DARK ENERGY
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Context
- An international team of researchers made the first putative direct detection of dark energy.
About
- 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.
- Dark matter is a component of the universe whose presence is discerned from its gravitational attraction rather than its luminosity.
- Unlike normal matter, dark matter does not interact with the electromagnetic force.
- This means it does not absorb, reflect or emit light, making it extremely hard to spot.
- In fact, researchers have been able to infer the existence of dark matter only from the gravitational effect it seems to have on visible matter.
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