100th anniversary of the discovery of cosmic rays (Scientific session of the Physical Sciences Division of the Russian Academy of Sciences, 24 October 2012)

A scientific session of the Physical Sciences Division of the Russian Academy of Sciences (RAS), entitled “100th anniversary of the discovery of cosmic rays,” was held on 24 October 2012 in the conference hall of the Lebedev Physical Institute, RAS. The agenda of the session announced on the RAS Physical Sciences Division website www.gpad.ac.ru included the following reports:
(1) Panasyuk M I (Skobeltsyn Institute of Nuclear Physics of the Lomonosov State University, Moscow) “The contribution of Russian scientists to the centennial history of the development of the physics of cosmic rays”;
(2) Ryazhskaya O G (Institute for Nuclear Research, Russian Academy of Sciences, Moscow) “On experiments in underground physics”;
(3) Krymskii G F, Berezhko E G (Shafer Institute of Cosmophysical Research and Aeronomy, Siberian Branch of the Russian Academy of Sciences, Yakutsk) “The origin of cosmic rays”;
(4) Stozhkov Yu I (Lebedev Physical Institute, Russian Academy of Sciences, Moscow) “Cosmic rays in the heliosphere”;
(5) Troitsky S V (Institute for Nuclear Research, Russian Academy of Sciences, Moscow) "Cosmic particles of energies >$10^{19}$ eV: a short review of results."
Papers based on reports 2 and 5 are presented below.