The first-ever detection of radio signals caused by the electron–cyclotron maser mechanism outside of the Solar System, on Tau Bootis b was recently published (here). This phenomenon causes huge radio emissions from Jupiter, for example, due to the enormous amount of plasma ions from Io. On Earth, I suppose, this phenomenon still happens, due to the plasma radiation of the Sun on Earth ionosphere.

My question is: how strong is it and how it's compared to Tau Bootis and Jupiter?


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