The IceCube Observatory’s search for neutrinos has turned up a handful of promising signals.
Researchers working on data from the IceCube Neutrino Observatory buried deep in Antarctic ice think they may have spotted tau neutrinos, a certain flavor of the subatomic particles from space. The seven candidate signals appeared in 9.7 years of observatory data, a testament to just how elusive these little particles are. About 100 trillion neutrinos pass through your body every second, according to the observatory.
The stream is composed mostly of electron and tau neutrinos, and a small percentage of muon neutrinos. Particles from deep in space come in many shapes and sizes, but most of their sizes are very, very small. To their credit, neutrinos have been directly observed. Others, like the hypothetical axion, remain elusive, and if proven to exist could be responsible for at least some of the universe’s dark matter.
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