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Smile: A global answer to a global mystery

Written by  Thursday, 02 April 2026 12:00
Video: 00:01:33

The European Space Agency and the Chinese Academy of Sciences are joining hands to uncover how Earth defends itself against dangerous particles and radiation from the Sun.

It’s the first time we will have images and videos of what happens when this solar wind crashes into our magnetic field. Smile will witness this interaction in action, using four onboard instruments to watch the drama unfold.

Life can only exist as we know it when nestled safe inside this giant magnetic bubble surrounding our planet. By imaging the bubble as a whole for the first time, Smile will help us

The European Space Agency and the Chinese Academy of Sciences are joining hands to uncover how Earth defends itself against dangerous particles and radiation from the Sun.

It’s the first time we will have images and videos of what happens when this solar wind crashes into our magnetic field. Smile will witness this interaction in action, using four onboard instruments to watch the drama unfold.

Life can only exist as we know it when nestled safe inside this giant magnetic bubble surrounding our planet. By imaging the bubble as a whole for the first time, Smile will help us build up the fundamental understanding that space weather forecasting will ultimately depend on.

Smile will launch on a Vega-C rocket on 9 April. Watch live via YouTube and ESA Web TV.

Learn more about Smile.


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