<p>➀ Croydon High School's Astrogazers space club completed final live testing of their CubeSat prototype aboard a research aircraft, supported by University of Bath engineers;</p><p>➁ The satellite successfully measured atmospheric air quality data during flight tests, with collaborative analysis involving ground and airborne measurements;</p><p>➂ Planned for 2026-27 launch, the project was funded by multiple institutions including Royal Society and backed by organizations like Surrey Space Centre, following the club's prior achievement of stratospheric weather balloon launches.</p>