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Presumably most neutrinos are traveling at an extremely high velocity
We know that neutrinos are constantly passing through our bodies at a very high flux. What percentage of them happen to be going at precisely the right speed (<11.2 m/s, depending on altitude...) at the right point for them to be captured and fall into orbit around the Earth?Presumably most neutrinos are traveling at an extremely high velocity because they are so light, and are produced in high energy environments like stars and supernovae. But how many are traveling at the correct velocity relative to the Earth?Furthermore, given how rarely neutrinos interact with matter, presumably there could be neutrinos orbiting the Earth at or below sea level...Would the interconversion between neutrino types (electron neutrino, muon neutrino, tau neutrino) destabilize the orbits?
The final results of the OPERA experiment showed that neutrinos are traveling so close to the speed of light that you cannot distinguish the two.
However, neutrinos will lose velocity due to the general expansion of the universe. The speed of these cosmic neutrinos follows a thermal distribution. It is thought that they will have an effective temperature of around 2K (slightly cooler than the 2.7K CMBR).
Neutrinos, by definition, are nearly impossible to detect, let alone observe.
Man made neutrinos may have nothing in common with the naturally occurring phenomena.