China-EU joint satellite SMILE launches to study Earth's magnetic shield
Defying trade wars, Beijing and Brussels celebrate a 50/50 space collaboration.
China and Europe launched the Solar Wind Magnetosphere Ionosphere Link Explorer (SMILE) satellite on Tuesday, their first jointly developed spacecraft. SMILE is designed to observe the interaction between solar wind and Earth's magnetic shield—the magnetosphere—in unprecedented detail. The satellite uses X-ray and ultraviolet imaging to capture global images of the magnetopause and aurora, building on heritage from missions like Cluster and Double Star.
Despite escalating trade tensions and a massive EU trade deficit with China, the collaboration between the Chinese Academy of Sciences (CAS) and the European Space Agency (ESA) endured through pandemic travel restrictions and geographically dispersed teams. ESA's director of science, Carole Mundell, called it a 'true 50/50 collaboration.' The mission, launched in 2015, is expected to yield new insights into space weather phenomena that can disrupt satellites and power grids on Earth.
- SMILE is the first satellite jointly developed and launched by China and Europe, a cooperation spanning over a decade.
- The spacecraft will study Earth's magnetic shield against solar wind using X-ray and UV imaging, offering a global perspective on magnetosphere dynamics.
- The project succeeded despite pandemic travel restrictions and ongoing EU-China trade disputes, highlighting resilience in scientific diplomacy.
Why It Matters
SMILE demonstrates that critical space science can transcend geopolitical rifts, advancing our ability to predict space weather.