Cast
Self - Astronomer, Carnegie Institution for Science
Self - Astronomer, University College London
Self - Theoretical Physicist, King's College London
Self - Astronomer, University of Cambridge
Self - United Kingdom Atomic Energy Authority
Self - Astrophysicist, University of California, Berkeley
Self - Astrophysicist, San Deigo State University
Self - Solar Physicist, University of Cambridge
Self - Astrochemist, NASA
Self - Astrophysicist, University College London
Self - Historian of Science, Lancaster University
