ARASE is developed by the Japan Aerospace Exploration Agency (JAXA) to explore “geospace”, the space around the Earth....

We focus on the volcanically active Io and the icy moon Europa. Sulfur and oxygen ions generated from...

‘Geospace’ is the space around the Earth that consist of plasma (charged particles) originating from the Earth’s atmosphere...

Have you heard that “Earth is like a giant magnet”? This magnet creates a vast region called the...

The JAXA Arase satellite, which traverses the Earth’s radiation belts, investigates plasma activity extending from the ionosphere to...