15 Million Degrees

Professor Lucie Green is a solar physicist at UCL's Mullard Space Science Laboratory and regularly appears on the BBC's Star Gazing Live with Brian Cox, the Today programme, The Infinite Monkey Cage , BBC Breakfast , Sky at Night and 10 O'clock Live . She works with the world's major space agencies (including NASA), and is helping build Solar Orbiter, a European Space Agency spacecraft that will gradually work its way into an orbit that takes in closer to the Sun than the planet Mercury.