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The research program in gamma-ray astronomy focuses on increasing our knowledge of the nature and origin of galactic and extragalactic gamma rays, and understanding high-energy processes in the Sun, celestial objects, interstellar medium, and extragalactic space.This book not only provides an overview of the latest research and future plans for space-borne and ground-based experiments dedicated to the observation of the gamma-ray sky, but also addresses the topic of variable gamma-ray sources from the perspective of their identification and counterparts at different wavelengths. It further gives an overview of the theory related to the most qualified emission processes that take place in these sources and of the nature of their variability.
The contributions in this volume provide a snapshot of the latest research and future plans for space-borne and ground-based experiments dedicated to the observation of the gamma-ray sky. The articles are authored by both seasoned veterans of the first dedicated gamma-ray missions, and young scientists entering the fascinating field of gamma-ray astrophysics.With the advent of gamma-ray instrumentation on spacecraft and large and sensitive ground-based detectors, new and unexpected phenomena have been discovered, such as gamma-ray bursts and gamma-ray emission from blazars. The immense vitality of the field in the current ?post-EGRET era? is witnessed by the numerous ongoing and forthcoming gamma-ray experiments documented here, complementary to various cosmic-ray, neutrino, astroparticle and X-ray projects.
The contributions in this volume provide a snapshot of the latest research and future plans for space-borne and ground-based experiments dedicated to the observation of the gamma-ray sky. The articles are authored by both seasoned veterans of the first dedicated gamma-ray missions, and young scientists entering the fascinating field of gamma-ray astrophysics.With the advent of gamma-ray instrumentation on spacecraft and large and sensitive ground-based detectors, new and unexpected phenomena have been discovered, such as gamma-ray bursts and gamma-ray emission from blazars. The immense vitality of the field in the current “post-EGRET era” is witnessed by the numerous ongoing and forthcoming gamma-ray experiments documented here, complementary to various cosmic-ray, neutrino, astroparticle and X-ray projects.
Every year, the Bibliography catalogues the most important new publications, historiographical monographs, and journal articles throughout the world, extending from prehistory and ancient history to the most recent contemporary historical studies. Within the systematic classification according to epoch, region, and historical discipline, works are also listed according to author’s name and characteristic keywords in their title.
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Due to the advent of a new generation of detectors, X-ray polarimetry promises to join X-ray imaging, spectroscopy and timing as one of the main observational techniques in high energy astrophysics. This has renewed interest in the field, and indeed several polarimetric missions have recently been proposed. This volume provides a complete and up-to-date view of the subject for researchers in astrophysics. The contributors discuss the present status and perspectives of instruments, review current theoretical models, and examine future missions. As well as detailed papers, the book contains broad reviews that can be easily understood by astrophysicists new to the field.
Guadalajara, marzo 1937. In Spagna è in corso la guerra civile, spagnoli contro spagnoli, ma anche italiani contro italiani perché sono presenti nei due schieramenti, gli antifascisti delle Brigate Internazionali e i fascisti del Corpo Truppe Volontarie. In questa battaglia i nazionalisti furono sconfitti ma due anni dopo vinsero la guerra. Tra gli antifascisti che combatterono nella guerra civile ve ne furono ventisei provenienti dalla provincia di Savona, dei quali solo cinque espatriarono per arruolarsi, gli altri erano già in Francia dall'avvento del fascismo. Sul fronte opposto 198 volontari fascisti savonesi parteciparono a vario titolo al conflitto, la maggioranza nelle Divisioni delle camicie nere.