Cherenkov Array at Themis
Encyclopedia
The Cherenkov Array at Themis (CAT) imager is an atmospheric Cherenkov imaging telescope
for detection of high-energy gamma ray
s (>200 GeV), sited in the French Pyrenees.
Telescope
A telescope is an instrument that aids in the observation of remote objects by collecting electromagnetic radiation . The first known practical telescopes were invented in the Netherlands at the beginning of the 1600s , using glass lenses...
for detection of high-energy gamma ray
Gamma ray
Gamma radiation, also known as gamma rays or hyphenated as gamma-rays and denoted as γ, is electromagnetic radiation of high frequency . Gamma rays are usually naturally produced on Earth by decay of high energy states in atomic nuclei...
s (>200 GeV), sited in the French Pyrenees.