Infrared-Radio image of Andromeda galaxy, approximately 2.5 million light years away from Earth. Some of the hydrogen gas (red) around Andromeda's disc was pulled from intergalactic space. Image data obtained from European Space Agency (ESA) Herschel mission, with data from ESA??? retired Planck observatory and two retired NASA missions: the Infrared Astronomy Survey and Cosmic Background Explorer, as well as the Green Bank Telescope, WRST, and IRAM radio telescopes.