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How Massive Is A Neutrino? Cosmology Experiment Gives A Clue
Artist’s conception of Planck, a space observatory operated by the European Space Agency, and the cosmic microwave background. Credit: ESA and the Planck Collaboration – D. Ducros
There have been a lot of attempts over the years to figure out the mass of a neutrino (a type of elementary particle). A new analysis not only comes up with a number, but also combines that with a new understanding of the universe’s evolution.
The research team investigated the mass further after observing galaxy clusters with the Planck observatory, a space telescope with the European Space Agency. As the researchers examined the cosmic microwave background (the afterglow of the Big Bang), they saw a difference between their observations and other predictions.
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Read the rest of How Massive Is A Neutrino? Cosmology Experiment Gives A Clue (316 words)
© Elizabeth Howell for Universe Today, 2014. |
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Post tags: cosmic microwave background, cosmic microwave radiation, neutrino mass, Neutrinos, Planck
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Source: http://www.universetoday.com/109223/how-massive-is-a-neutrino-cosmology-experiment-gives-a-clue/
