Pétri, J.: Theory of pulsar magnetosphere. Dynamics of Astrophysical fluid flows, Ecole d'été à Cargèse, Corse (2005)

Aharonian, F.: 5@5. CHIPP Workshop on Astro-particle Physics, Versoix, Schweiz (2005)

Aharonian, F. A.: HESS - High Energy Stereoscopic System of Atmospheric Cherenkov Telescopes. Astrophysics of Ultra-High Energy Cosmic Rays, Photons, and Neutrinos, Kavli Insitute for Theoretical Physics, Santa Barbara, USA (2005)

Kirk, J.: Particle acceleration by relativistic shock fronts. Astrophysics of Ultra-High Energy Cosmic Rays, Photons and Neutrinos, Kavli Institute for theoretical Physics, University of California at Santa Barbara, CA, USA (2005)

Popescu, C. C.: Viewing the dusty Universe. Colloquium at the Research School of Astronomy and Astrophysics, Mount Stromlo Observatory, Canberra, Australia (2005)

Popescu, C. C.: Viewing the dusty Universe. Colloquium at Anglo-Australian Observatory, The Australia Telescope National Facility, Sydney, Australia (2005)

Aharonian, F.: Next Generation of IATC Arrays: Scientific Objectives versus Energy Domain. Workshop Towards a Network of Atmospheric Cherenkov Detectors VII: “Performance limits for Cherenkov Instruments”, Palaiseau, France (2005)

Aharonian, F.: Probing Supernova Remnants, Black Holes and Dark Matter with TeV Gamma Rays. The American Physical Society Spring Meeting, Tampa, Florida, USA (2005)

Aharonian, F.: TeV radiation from the black hole in the galactic center. International Conference on "The paradoxes of Massive Black Holes", Santa Barbara, USA (2005)

Kirk, J.: Pulsar Wind Theory. Stellar End Products, Granada, Spain (2005)

Kirk, J.: Pulsar Wind Theory. Workshop on Pulsars, Pulsar-Wind Nebulae and Supernovae Remnants, Berlin (2005)

Pétri, J.: Polarisation properties of pulsed radiation from pulsar's striped wind. HESS & MAGIC: workshop on pulsars, pulsar wind nebulae and supernovae remnants, Berlin (2005)

Aharonian, F.: Recent HESS results. Astrophysics Seminar, Stanford University, USA (2005)

Aharonian, F.: The fascinating TeV Sky. Astronomy Colloquium, University of California, Berkeley, USA (2005)

Popescu, C. C.: Viewing the Dusty Universe. Colloquium at the Swinbourne University, Melbourne, Australia (2005)

Gabici, S.: Gamma Ray signatures of Ultra High Energy Cosmic Ray sources. 40èmes Rencontres de Moriond, Very High Energy Phenomena in the Universe, La Thuile, Italy (2005)

Kaether, F.; für GNO Kollaboration: Aktuelle Ergebnisse des Sonnenneutrino-Experiments GNO. Frühjahrstagung der Deutschen Physikalischen Gesellschaft, Berlin (2005)

Buck, C.; Hartmann, F. X.; Schoenert, S.; Schwan, U.; für die Double Chooz Kollaboration: Gd-beladene Suintillatoren für das Double Chooz Experiment. DPG Frühjahrstagung, Berlin, Germany (2005)

Franco, D.: Spectroscopy of CNO and pep neutrinos in Borexino and the 11C background. DPG Frühjahrstagung, Berlin, Germany (2005)

Peiffer, P.; Motta, D.; Schönert, S.; Simgen, H.; für die Gerda Kollaboration: GERDA R&D: Betrieb von HP-Germaniumdetektoren in Flüssig-Argon. DPG Frühjahrstagung, Berlin, Germany (2005)