Planetary foreshock radio emissions

摘要: [1] The electron foreshock regions upstream of Earth's bow shock and traveling interplanetary shocks are known to be propitious sites for a variety energetic particle plasma wave phenomena, including radio emissions. A quantitative theoretical model has been developed emissions associated with the terrestrial type II bursts shocks. Here, we generalize this apply it other planetary foreshocks. We present predictions levels compare these observations by past space missions. One key result is that Mercury can strong source emissions, prediction may testable anticipated BepiColombo mission. Although most detectable existing instruments, our results predict they second strongest in absolute terms, following Jovian Indeed, instrument on board Ulysses should have detected suggest there some evidence data support this. also Cassini was potentially capable detecting from Venus during its gravity-assist flybys possibly Saturn under favorable solar wind conditions.