News tagged with background light

What time is it in the universe?

Flavor Flav knows what time it is. At least he does for Flavor Flav. Even with all his moving and accelerating, with the planet, the solar system, getting on planes, taking elevators, and perhaps even some ...

dateAug 29, 2014 in General Physics
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Record-setting X-ray jet discovered

A jet of X-rays from a supermassive black hole 12.4 billion light years from Earth has been detected by NASA's Chandra X-ray Observatory. This is the most distant X-ray jet ever observed and gives astronomers ...

dateNov 28, 2012 in Astronomy
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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, ...

dateAug 04, 2014 in Astronomy
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Do we need dark matter?

It's the biggest problem in physics: the matter we can see in the universe accounts for just five per cent of the observed gravity that holds galaxies together.

dateNov 12, 2009 in General Physics
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Backgrounds

You’ve probably heard of the cosmic microwave background, but it doesn’t stop there. The as-yet-undetectable cosmic neutrino background is out there waiting to give us a view into the first seconds ...

dateJun 28, 2011 in Astronomy
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World of lights in the microcosmos

(PhysOrg.com) -- Light-emitting diodes are gaining ground: They are now being used as background lighting for displays. But the manufacturing of complex LED optics is still complex and expensive. A new technology ...

dateJun 01, 2010 in Engineering
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