News tagged with cosmic microwave background

Setting a trap for gravity waves

In 1996 Uros Seljak was a postdoc at Harvard, contemplating ways to extract information from the cosmic microwave background (CMB). The distribution of anisotropies, slight temperature differences, in the ...

Mar 19, 2014
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Gravitational waves according to Planck

Scientists of the Planck collaboration, and in particular the Trieste team, have conducted a series of in-depth checks on the discovery recently publicized by the Antarctic Observatory, which announced last ...

Sep 22, 2014
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Alan Guth on new insights into the 'Big Bang'

Earlier this week, scientists announced that a telescope observing faint echoes of the so-called "Big Bang" had found evidence of the universe's nearly instantaneous expansion from a mere dot into a dense ...

Mar 20, 2014
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Are the BICEP2 results invalid? Probably not

Recently rumors have been flying that the BICEP2 results regarding the cosmic inflationary period may be invalid. It all started with a post by Dan Falkowski on his blog Resonaances, where he claimed that the BICEP2 had misinterpreted some data, which render ...

May 20, 2014
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Listening to the Big Bang—in high fidelity

A decade ago, spurred by a question for a fifth-grade science project, University of Washington physicist John Cramer devised an audio recreation of the Big Bang that started our universe nearly 14 billion ...

Apr 08, 2013
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Europe's Planck telescope retires

The deep-space Planck telescope was switched off Wednesday after a successful 4.5-year mission that revealed our Universe to be 80 million years older than previously thought, the European Space Agency said.

Oct 23, 2013
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Baby universe picture brought closer to theory

Last year, the Planck Telescope revealed the most detailed picture of the cosmic microwave background, the relic radiation from the Big Bang. But this map contains features that challenge the standard model of cosmology, ...

Aug 04, 2014
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