Video, Dr Jen Gupta demonstrates how spectroscopy tells us what stars are made of, ALD15 Charman-AndersonSuw 2016 Dr Jen Gupta, astrophysicist and science communicator, demonstrates how we use spectroscopy to find out what stars are made of.<div> <p>Held at Conway Hall, Ada Lovelace Day Live 2015 featured inspiring women speakers, covering everything from autism to the Mars Rover. </p> <p>Find out more about Ada Lovelace Day and future events on findingada.com. </p> <p>Video sponsored by Digital Science and produced by Howl Films. </p></div>