 - Last login: 3 days agoMrBreeze9999
- Larry is a married guy from North Wales, Pennsylvania, USA.
- Likes 2,555 pages, 203 videos, 54 photos • 101 fans • Received 33 reviews
- Member since Dec 27, 2006
Science and history buff -
Musician - guitar and keyboards -
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Thinker of an occasional deep thought -
Part-time nice guy -
Absolutely, insanely in love with cats...
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BBC NEWS | Science/Nature | Cosmic treasure trove revealed
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Mar 11, 9:18am
3 reviews
•http://news.bbc.co.uk/2/hi/science/na...
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A Nasa space probe measuring the oldest light in the Universe has found that cosmic neutrinos made up 10% of matter shortly after the Big Bang.
Five years of study data also shows that the first stars took over half a billion years to light up the Universe.
WMAP launched in 2001 on a mission to measure remnants of light left over from the Big Bang.
Scientists say it is collecting a "treasure trove" of information about the Universe's age, make-up and fate.
The Wilkinson Microwave Anisotropy probe (WMAP) is mapping the Cosmic Microwave Background (CMB) radiation in the sky. This is the oldest light in the Universe, shifted to microwave wavelengths as the Universe expanded over 13.7 billion years.
How the first stars switched on was a long, drawn-out process that took half a billion years
Dr Joanna Dunkley
Scientists say the Universe is bathed in this afterglow light, and its patterns across the sky contain details about the history, shape, content, and ultimate fate of the Universe.
WMAP provides new evidence that a sea of cosmic neutrinos flows throughout the Universe.
Dr Joanna Dunkley of the University of Oxford, UK, and Princeton University, US, is a member of the WMAP team.
She told the BBC News website: "We see patterns in light, light that has been travelling for billions of years, affected in the early infancy of the Universe by whatever the Universe was composed of at that point.
"We expected to see neutrinos. It's a nice piece of evidence that they are in the Universe at large and affecting the light signals we see."
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