UK teams will lead an international solar-terrestrial and space weather mission, taking on the development of a major science instrument thanks to funding from the UK Space Agency.

The 3 million pounds will support academics working on SMILE (the Solar wind Magnetosphere Ionosphere Link Explorer), a European Space Agency (ESA) science mission, being delivered jointly with the Chinese Academy of Sciences and due to launch in 2021.

SMILE will address fundamental gaps in knowledge of the solar-terrestrial relationship by providing, for the first time ever, global imaging of the Earth's magnetosphere and its dynamic response to solar wind - charged particles streaming from the Sun.

The magnetosphere is a vast region around our planet that protects us from solar wind and cosmic particle radiation. The Earth's magnetosphere is the strongest of all the rocky planets in our solar system and its protective role is thought to have played a key role in the Earth's habitability.

SMILE will provide a step change in understanding its behaviour, and will serve a broad range of research communities in which the UK is world leading, including solar, fundamental physics, heliophysics, and planetary sciences.

SMILE will also provide crucial improvements to the modelling of space weather, which is recognised in the Government's National Risk Register as a key disruptive threat to UK national technological infrastructure.

Science Minister, Jo Johnson, said: "Satellites, power grids and communications networks are integral to our modern lives and through this funding, we are ensuring UK academics continue to lead international research in solar-terrestrial science and space weather. This will help us gain a greater understanding of its causes and behaviour - helping us to better prepare and protect our vital infrastructure from its effects.

"SMILE is a prime example of scientific innovation underpinning the broader economy with real-world applications, a key foundation of our Industrial Strategy."

The UK Space Agency's 3 million pound investment package supports three UK academic groups for the next two years, and is planned to be extended to support the mission throughout its development.

It will deliver the overall scientific leadership role with Prof Graziella Branduardi-Raymont, from the UCL Mullard Space Science Laboratory, overseeing the European consortium, and the design and build of the mission's most innovative science instrument, the SXI (Soft X-ray Imager), led by Dr Steven Sembay, from the University of Leicester.

Prof Andrew Holland, of the Open University, will also manage the development of the SXI detectors from Teledyne e2v Ltd, a world renowned UK-based provider of cutting edge space technology, which has a separate ESA contract to provide the SXI detectors worth euro 1.5 million.

Thales Alenia Space UK (TAS UK) is also bidding for a major role in the provision of the spacecraft's Payload Module, and has been awarded one of three competitive studies funded by ESA to lead the design definition of this hardware.

The UK Space Agency funded academic roles maximise UK science return by combining privileged access to SMILE science data with intimate instrument knowledge. SMILE builds on a very productive legacy of academic collaboration between the UK and China, and will act as a further high profile pillar of cooperation. The UK roles demonstrate our ongoing international leadership and engagement with world-class science and research.

Prof Graziella Branduardi-Raymont, mission Co-Principal Investigator, said: "SMILE is a most innovative space mission dedicated to study the impact of the solar wind on the Earth's magnetic environment. It will explore scientifically what drives space weather and return knowledge that will eventually lead to mitigating its effects."

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Space may seem empty, but it's actually a dynamic place populated with near-invisible matter, and dominated by forces, in particular those created by magnetic fields. Magnetospheres - the magnetic fields around most planets - exist throughout our solar system. They deflect high-energy, charged particles called cosmic rays that are spewed out by the Sun or come from interstellar space. Along with ... read more

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