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 First sighting of gravitational waves announced
Sophie
Posted: 09:11 Tuesday 18 March 2014


Age of Reason


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Monday 17 March 2014

First glimpse of Big Bang ripples from Universe’s birth

Waves in the very fabric of the cosmos are allowing us to peer further back in time than anyone thought possible, showing us what was happening in the first slivers of a second after the Big Bang. If confirmed, the discovery of these primordial waves will have rippling effects throughout science. It backs up key predictions for how the universe began and operates, and offers a glimmer of hope for tying together two foundational theories of modern physics. It might even net the discoverers a Nobel Prize.

The waves in question are called gravitational waves and are produced when a massive object accelerates through the fabric of space-time, causing ripples. They appear in Einstein’s highly successful theory of general relativity, although they have never been directly detected.

Scientists working with the BICEP2 collaboration at the South Pole have announced the first clear sign of gravitational waves, found in maps of the earliest light emitted after the Big Bang.


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Ian
Posted: 09:44 Tuesday 18 March 2014


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Monday 17 March 2014

Cosmic discovery “Nobel Prize worthy”

Professor Alan Guth, a scientist from the Massachusetts Institute of Technology, told the BBC that he thought the discovery was worthy of a Nobel Prize.


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Sophie
Posted: 09:52 Tuesday 18 March 2014


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Monday 17 March 2014

Cosmic inflation: “Spectacular” discovery hailed

Scientists say they have extraordinary new evidence to support a Big Bang theory for the origin of the Universe.

Researchers believe they have found the signal left in the sky by the super-rapid expansion of space that must have occurred just fractions of a second after everything came into being.

It takes the form of a distinctive twist in the oldest light detectable with telescopes.


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George
Posted: 18:34 Monday 7 April 2014


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Monday 7 April 2014

Cosmos speed-check probes dark energy

Scientists have produced their most precise measurement yet of the rate at which the early Universe was expanding.

The international group clocks the expansion by making detailed maps of the distribution of matter in space.

The hope is such studies can provide further insights on “dark energy”.


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Sophie
Posted: 13:43 Sunday 25 January 2015


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Thursday 22 January 2015

Weird cosmic echoes may offer new glimpse of big bang

Echoes bouncing around the universe might be carrying messages from shortly after the big bang.

Eduardo Martín-Martínez of the University of Waterloo in Ontario, Canada, and his colleagues think they have found a well-preserved source of clues about the very early universe.

They calculated that events which produce photons – such as an atom releasing energy – also create certain echoes in the electromagnetic field, the very field which forms the basis of light.


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