Aharonian, F.: On the potential and objectives of ground based gamma-ray astronomy. The light of the dark: solving the misteries of the Universe, Frascati, Italy (2007)

Aharonian, F.: Exploring the TeV sky with HESS. Colloquium, Roma Astronomical Observatory, Rome, Italy (2007)

Strelnikov, D.; Krätschmer, W.: IR SPECTROSCOPY OF LONG CARBON CHAINS AND THEIR DERIVATIVES IN CRYOGENIC MATRICES: SPECIES IDENTIFICATION BY ^{13}C3 ->^{12}C3 ISOTOPIC SUBSTITUTION. International Symposium on Molecular Spectroscopy 62nd Meeting., Columbus (Ohio), USA (2007)

Kirk, J.: Particle acceleration in relativistic outflows. Bursts, Pulses and Flickering: Wide-field monitoring of the dynamic radio sky, Kerastari, Griechenland (2007)

Rieger, F.: Particle acceleration in relativistic astrophysical jets. MPIK - colloqium ("Kaffeepalaver"), Heidelberg (2007)

Pétri, J.: Astrophysique des objets compacts. Seminar, CETP de Velizy, France (2007)

Kirk, J.: The physics of high brightness temperature sources. Colloquium, Max-Planck-Institut für Radioastronomie (2007)

Aharonian, F.: ACT experiments and the origin of cosmic rays. Ultra-high energy cosmic rays, neutrinos and photons, Pennsylvania State University, USA (2007)

Strelnikov, D.; Reusch, R.; Krätschmer, W.: Long carbon chains and their oxides: Uv-vis and mid-IR molecular antennas. Bunsentagung 2007 Graz 106. Hauptversammlung der Deutschen Bunsen-Gesellschaft, Graz, Österreich (2007)

Aharonian, F.: Next generation ground-based gamma-ray detectors: scientific motivations, potential and perspectives. ACKS Seminar, Stanford University, USA (2007)

Gabici, S.: Gamma Ray Counterparts of Ultra High Energy Cosmic Ray Accelerators. MPIK - Gentner Colloquium, Heidelberg (2007)

Pétri, J.: Forced oscillations in accretion disks and kHz-QPOs. Seminar, IAAT Tübingen, Germany (2007)

Pétri, J.: Simulations numériques en Astrophysique: les objets compacts et leur environnement. Séminaire, CEA de Saclay (Gif-sur-Yvette), France (2007)

Gabici, S.: Gamma rays from molecular clouds. HESS Collaboration Meeting, Cracow (2007)

Taylor, A.: High Energy Neutrinos from Astrophysical Accelerators of Cosmic Ray Nuclei. NAM (National Astronomy Meeting), Preston, UK (2007)

Pétri, J.: Le vent des pulsars: émission pulsée, accélération et reconnexion magnétique. Séminaire de l'Observatoire de Paris-Meudon, Meudon (LUTH) (2007)

Taylor, A.: The Intergalactic Propagation of Ultrahigh Energy Cosmic Ray Nuclei. The IOP Nuclear and Particle Physics Divisional Conference, Surrey, UK (2007)

Kirk, J.: Magnetic field amplification in GRB shocks. Workshop on short gamma-ray bursts: observation, Schloss Ringberg, Tegernsee (2007)

Aharonian, F.: Ground Based Gamma Ray Astronomy: Status and Perspectives. Astronomy Colloquium, CALTECH, Pasadena, USA (2007)

Aharonian, F.: Supernova Remnants and Pulsar Driven Nebulae. Harvard-Smithsonian Astrophysics Center Colloquium, Cambridge, USA (2007)