Search for "Gamma-ray astronomy" in article titles:

1. Gamma-ray astronomy: Gamma-ray astronomy is the astronomical observation of gamma rays, the most energetic form of electromagnetic radiation, with photon energies above 100 keV. Radiation below 100 keV is classified as X-rays and is the subject of X-ray astronomy. (Astronomy) [100%] 2023-02-17 [Gamma-ray astronomy] [Astronomical sub-disciplines]...
2. Gamma-ray astronomy: Gamma-ray astronomy is a branch of astronomy that deals with the detection and study of gamma rays in the cosmos. Gamma rays are the most energetic form of electromagnetic radiation and are produced by phenomena such as explosions and ... [100%] 2023-02-04
3. Gamma-ray astronomy: Gamma-ray astronomy is a subfield of astronomy where scientists observe and study celestial objects and phenomena in outer space which emit cosmic electromagnetic radiation in the form of gamma rays, i.e. photons with the highest energies (above 100 ... (Observational astronomy performed with gamma rays) [100%] 2024-04-24 [Gamma-ray astronomy] [Astronomical sub-disciplines]...
4. Very high energy gamma-ray astronomy: Earth is constantly bombarded by energetic particles known as cosmic rays, whose energy extends to macroscopic levels. The first indications of their existence date back to the late 19th century with the observation of spontaneous discharge of vacuum electroscopes, but ... [70%] 2024-05-03