Next October 31, Dark Matter Day, and as part of family gymkhana “On the hunt for dark matter” (Faculty of Sciences, 5 to 8 p.m.), the flat screen premiere of the documentary will take place, exhibited in planetariums throughout the world «Phantom of the Universe» (in Spanish) with passes in the Aula Magna of the Faculty of Sciences at 5:15 p.m., 6 p.m., 6:45 p.m. and 7:30 p.m. and 7:30 p.m. The 27-minute film, with spectacular images, is suitable for all audiences. We thank Prof. Michael Barnett, creator and executive producer of the documentary, for permission to show it. Don’t miss it!