Another way of looking at the sky: Neutrino telescopes

Juan Zúñiga Román, Juan de Dios Zornoza Gómez, Juan José Hernández Rey


Neutrinos are weakly-interacting neutral particles which makes them powerful sources of information about the most energetic processes in the universe, such as the origin of ultra-energetic cosmic rays or gamma-ray explosions. However, a price must be paid in order to detect them: gargantuan detectors at the bottom of the sea or under the Antarctic ice are required. The detection of the first high-energy cosmic neutrinos in 2013 by the IceCube observatory represented the start of so-called neutrino astronomy, a new way of observing the universe, with the hope that it is destined to make great discoveries. In this article, we discover how neutrino telescopes work, as well as the different initial configurations that made this new twenty-first century astronomy possible.

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