Observation, Observing, Universe, Electromagnetic Radiation.
a result of the effect of time dilation. At rest relative to us, muons decay into an electron and two neutrinos with a half-life of just 1.6 μs. They are produced at a height of about 10 km in the atmosphere and, travelling at ∼0.98% of the speed of light, take 34 μs to reach the ground. If time