High-energy particle acceleration in the shell of a supernova remnant F.A. Aharonian et al (the HESS Collaboration) Nature 432, 75 (2004) Nuclear Physics.
Deep Underground Large Water Cerenkov Detectors Two types have been proposed. 1) Horizontal cylinders ~60 m diameter by 180 m long – UNO & HyperKamiokande.
Telescopes. Light Hitting a Telescope Mirror huge mirror near a star * * * small mirror far from 2 stars In the second case (reality), light rays from.
Radio Telescopes Large metal dish acts as a mirror for radio waves. Radio receiver at prime focus. Surface accuracy not so important, so easy to make large.
