News tagged with dark energy

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A new technique to gauge the distant universe

Scientists have developed a technique to use quasars – powerful sources driven by supermassive black holes at the centre of galaxies – to study the universe's history and composition. To demonstrate the new method, based ...

dateDec 04, 2015 in Astronomy
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What is dark energy?

We live in interesting times. For thousands of years, we have thought we knew what the universe – and everything in it – was made of: normal matter, the kind that make up the elements of the periodic table.

dateFeb 01, 2016 in Astronomy
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'Planck' puts Einstein to the test

Researchers, including physicists from Heidelberg University, have gained new insights into dark energy and the theory of gravitation by analysing data from the "Planck" satellite mission of the European Space Agency (ESA). ...

dateMar 05, 2015 in Astronomy
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The Milky Way's new companion galaxies

When we think of cosmology, we often imagine the largest telescopes peering into the deepest space, collecting the feeble light from exploding stars or the first galaxies.

dateMar 18, 2015 in Astronomy
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Explore galaxies far, far away at internet speeds

No need for hyperdrive: Scientists have released an "expansion pack" for a virtual tour of the universe that you can enjoy from the comfort of your own computer. The latest version of the publicly accessible images of the ...

dateJan 21, 2016 in Astronomy
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Universe older than it looks

When astronomers (Bond 2013) first dated the star HD 140283, which lies a mere 190 lightyears from Earth in the constellation of Libra, they were puzzled. This rare, star appeared to be rather ancient and was quickly nicknamed ...

dateOct 27, 2014 in Astronomy
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