Gamma-ray astronomy is a new emerging and very successful branch of astrophysics. Exciting results have been obtained by the current generation Cherenkov...

The composition and nature of interstellar dust grains and the molecular composition of interstellar gas are important factors in understanding the chemistry...

I will present results from the "Local Volume HI Survey'' (LVHIS), including a multi-wavelength atlas of 82 nearby galaxies. The LVHIS project targets all...

Spectral energy distributions (SEDs) of the central few tens of parsec region of some of the nearest active galactic nuclei (AGN) are presented. Peering into...

Lecture 3 by George

Early-type dwarfs (dEs) are by far the most abundant galaxy population in nearby clusters. Whether these objects are primordial, or recent end-products of the...

In the Λ-CDM galaxy formation paradigm, the star formation history of a galaxy is coupled to the total mass of its dark matter halo through processes like...

Gravitational lensing is a powerful astrophysical tool which allow us to studythe dark sector of the universe. Some of these applications include from thestudy...

Gamma Ray Bursts (GRBs) are among the most energetic transient phenomena frequently followed up by different observatories and yet several fundamental questions...