TY - JOUR AU - Antoranz Canales, Pedro AU - Barrio Uña, Juan Abel AU - Contreras González, José Luis AU - Fonseca González, María Victoria AU - Miranda Pantoja, José Miguel AU - Nieto Castaño, Daniel PY - 2008 DO - 10.1126/science.1157087 SN - 0036-8075 UR - https://hdl.handle.net/20.500.14352/50832 T2 - Science AB - The atmospheric Cherenkov gamma- ray telescope MAGIC, designed for a low- energy threshold, has detected very- high- energy gamma rays from a giant flare of the distant Quasi- Stellar Radio Source ( in short: radio quasar) 3C 279, at a distance of... LA - eng M2 - 1752 PB - Amer Assoc Advancement Science KW - Extragalactic Background Light KW - Telescope KW - Radiation KW - 3C-279 KW - Counts. TI - Very-high-energy gamma rays from a distant quasar: how transparent is the universe? TY - journal article VL - 320 ER -