Tansei-4
(EXOS-B) - JAXA Satellite
Tansei-4, also known as EXOS-B, was a Japanese scientific satellite designed to study the Earth's magnetosphere and ionosphere. The primary mission of Tansei-4 was to investigate the Earth's magnetosphere, ionosphere, and auroral phenomena. The satellite aimed to study the interactions between the solar wind and the Earth's magnetic field, contributing to a better understanding of space weather and related geophysical processes.