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Articles on Dark energy

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More than 70% of the Universe is made of ‘dark energy’, the mysterious stuff even stranger than dark matter

More than 70% of the Universe is made of ‘dark energy’, the mysterious stuff even stranger than dark matter. The Conversation17.1 MB (download)
Today on the podcast, we explore what we know about dark energy, believed to be responsible for the acceleration of the expansion of the Universe.
Galaxy history revealed by the Hubble Space Telescope. NASA

What is nothing? Martin Rees Q&A

From a mysterious energy of empty space to parallel universes, cosmology’s view of ‘nothing’ is anything but boring.
Nobody knows for sure where black holes lead to. Shutterstock

Curious Kids: Where do black holes lead to?

The pull created by a black hole is so strong that if you get too close to one – even if you are travelling away from it at the fastest speed it is possible to go – you will never be able escape.
Part of the new map of dark matter made from gravitational lensing measurements of 26 million galaxies in the Dark Energy Survey. Chihway Chang/University of Chicago/DES collaboration

What a new map of the universe tells us about dark matter

We still can’t see the dark matter thought to make up about a quarter of the universe, but at least now we have a map of its structure.
There are two broad ways to measure the expansion of the universe. One is based on the cosmic microwave background, shown here, along with our own galaxy viewed in microwave wavelengths. ESA, HFI & LFI consortia (2010)

From dark gravity to phantom energy: what’s driving the expansion of the universe?

The universe is expanding faster than expected, but we don’t know what’s driving it. Here are a few of the possible explanations, from dark energy to a modification of general relativity.

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