The Invisible UniverseDr Jen Gupta, University of Portsmouth(Venue: Geological Society Lecture Theatre - no booking required) Gazing at the night sky with our eyes or telescopes reveals twinkling stars and far away galaxies. But what we see is only a small part of the story. From radio waves to gamma-rays, the Universe is aglow with 'light' that we humans just cannot see.Fortunately, we can build telescopes and instruments to detect this invisible light, revealing a view of the Universe that is hidden from our eyes. In this talk I will show you the Universe at other wavelengths, from familiar objects like our Sun to weird and wonderful distant quasars, and explain some of the physics behind them. Along the way I will touch on the stories of some of the pioneers in these areas of astronomy and astrophysics, who dedicated their careers to furthering our understanding of the invisible Universe. Dr Jen Gupta is an astrophysicist and science communicator based in the south of England. She is the SEPnet/Ogden Outreach Officer for the Institute of Cosmology and Gravitation at the University of Portsmouth, where her job is to ensure that the department's world class research is shared with the wider world. She also works in the planetarium at the Winchester Science Centre, and is the host of the Seldom Sirius podcast. Jen did her PhD at the Jodrell Bank Centre for Astrophysics at the University of Manchester where she studied radio-loud active galactic nuclei. She was highly commended in the 2015 Asian Women of Achievement Young Achievers Award, and is featured in the RAS's portrait series of female Fellows.