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neutrinos massesScience News
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82% Informative
Neutrinos are lightweight, subatomic particles that surge through the cosmos in unimaginable numbers.
No one knows exactly how massive they are, but some researchers suspect that this missing knowledge could be a gateway to a new understanding of physics.
Some interpretations of the DESI data suggest neutrinos have no mass or even negative mass, normally a forbidden concept in physics.
Neutrinos can change from one variety to another as they travel.
The cosmic microwave background, light released 380,000 years after the Big Bang , reveals the clumpiness of the cosmos.
The DESI data provides a mass ceiling for neutrinos.
But the value that DESI pinpoints as most likely for the sum of the neutrino masses is zero .
DESI and Planck combined data combined with a predecessor of DESI .
Neutrinos with positive mass make universe less clumpy than expected.
Negative mass in physics is hard to define and incorporate in theories, causing conflict in equations.
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