# International Solar-Terrestrial Physics Science Initiative

> international research collaboration between NASA, the ESA, and ISAS

**Wikidata**: [Q6053533](https://www.wikidata.org/wiki/Q6053533)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/International_Solar-Terrestrial_Physics_Science_Initiative)  
**Source**: https://4ort.xyz/entity/international-solar-terrestrial-physics-science-initiative