Astronomy Today

Gamma-Ray Space Telescopes

How does a gamma-ray telescope work?

Gamma rays are the most energetic form of electromagnetic radiation, and as a result they penetrate any kind of mirror material, even at a grazing incidence angle. Technologies incorporated in gamma-ray telescopes are thus very different from any other kinds of telescopes. They include plastic, gas, and crystal scintillation detectors; coded aperture masks and arrays; and spark chambers and silicon strip detectors.


This is a web preview of the "The Handy Astronomy Answer Book" app. Many features only work on your mobile device. If you like what you see, we hope you will consider buying. Get the App