A single polycell (top left), one of the ISGRI camera's building blocks, seen without its ceramic cover to show the detectors
January 5, 2013
A 5 centime coin conveys the scale of the polycell (top left). These polycells form the building blocks of the INTEGRAL Soft Gamma-Ray Imager (ISGRI).
Topics: Spaceflight, Radiation, Physics, X-ray telescopes, Space telescopes, INTEGRAL, Gamma ray, Space, Nuclear physics