UCL's Mullard Space Science Laboratory (IMAGE) University College London Caption An engineer in a clean room at MSSL who is testing a plasma analyser for the Vigil space weather satellite in June 2023. Credit UCL / James Tye Usage Restrictions Only to be used in relation to UCL's Mullard Space Science Laboratory and the work undertaken there. License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.