Exploring the solar system boundary

Abstract

This paper reviews the worldwide development course and current status of heliospheric boundary exploration. On the basis of the development trends revealed recently, we illustrate the four categories of scientific objectives of the solar system boundary exploration and propose some formulations for the overall objectives, phased goals, and short-term missions of China's explorations of the solar system boundary in the future. Additionally, we summarize six types of key techniques that may help make breakthroughs in the field. This study provides preliminary results for further demonstration and implementation of such a mission.