[Todos] IAFE -COLOQUIOS: "Powerful SNRs: the Flaring Crab Nebula and Cosmic Ray Accelerators"]

[difusion en iafe.uba.ar]

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                   PRÓXIMO COLOQUIO DEL IAFE
                 Instituto de Astronomía y Física del Espacio
                           CONICET-UBA
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"Powerful SNRs: the Flaring Crab Nebula and Cosmic Ray Accelerators"

              Investigador Principal del satélite AGILE, Prof. Marco Tavani
                   INAF-IASF Roma and Università di Roma "Tor Vergata"
                      Viernes 22 de marzo 2013, 14:00hs.
                                Aula del Edificio IAFE

Gamma-ray astrophysics from space has been recently boosted by the space
missions AGILE and FERMI. We will briefly review the main results for both
Galactic and extragalactic sources, and focus on some recent
breakthroughs. The surprising discovery of gamma-ray flares from the Crab
Nebula will be discussed with the very relevant implications for particle
acceleration models. The mystery of the origin of hadronic cosmic-rays has
been clarified by the recent discovery of neutral pion emission from
several Supernova Remnants (SNRs). However new challenging observations of
SNRs require more work to understand the overall properties of cosmic-rays
up to the knee.