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Science 5 January 2007:
Vol. 315. no. 5808, pp. 70 - 72
DOI: 10.1126/science.1136395
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Perspective

The Very-High-Energy Gamma-Ray Sky

Felix Aharonian1,2

Over the past few years, very-high-energy gamma-ray astronomy has emerged as a truly observational discipline, with many detected sources representing different galactic and extragalactic source populations—supernova remnants, pulsar wind nebulae, giant molecular clouds, star formation regions, compact binary systems, and active galactic nuclei. It is expected that observations with the next generation of stereoscopic arrays of imaging atmospheric Cherenkov telescopes over a very broad energy range from 1010 to 1015 electron volts will dramatically increase the number of very-high-energy gamma-ray sources, thus having a huge impact on the development of astrophysics, cosmology, and particle astrophysics.

1 Dublin Institute for Advanced Studies, Dublin, Ireland.
2 Max Planck Institut fur Kernphysik, Heidelberg, Germany.

E-mail: Felix.Aharonian{at}mpi-hd.mpg.de

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Science. ISSN 0036-8075 (print), 1095-9203 (online)