Abstract

With the Voyager spacecrafts' discovery of low‐frequency radio emissions from the depths of the outer heliosphere has come the realization that the boundaries between our heliosphere and the local interstellar medium may have been detected. A model is presented here that can account for the observed radio emissions, based upon a termination shock modified by the dynamical effects of galactic and anomalous cosmic rays. Frequency and time domain properties of both continuum and transient radio events are explained, and new estimates for the distance to the termination shock (∼60‐70 astronomical units) and the heliopause (≳90 AU) are given.

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