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Gamma rays from space are blocked by the Earth’s atmosphere – fortunately for us, because this powerful radiation is lethal. Gamma-ray telescopes in space give evidence for the processes that made the Universe habitable. When a massive star has used up its hydrogen fuel, it ends in a supernova explosion, emitting gamma rays.
- Why Do We Observe Gamma Rays
Different types of objects in the Universe emit different...
- Seeing in Gamma-Ray Wavelengths
The gamma-ray universe is a place of constant change....
- Why Do We Observe Gamma Rays
The most intense sources of gamma rays, are also the most intense sources of any type of electromagnetic radiation presently known. They are the "long duration burst" sources of gamma rays in astronomy ("long" in this context, meaning a few tens of seconds), and they are rare compared with the sources discussed above.
May 14, 2024 · Gamma rays result from nuclear processes (usually nuclear decay), while X-rays result from interactions outside the atomic nucleus (typically from electrons). Overall, gamma rays have higher energies and shorter wavelengths than x-rays and are more penetrating. Sources of Gamma Radiation. Various natural and artificial sources release gamma ...
X-rays: X-rays are a form of radiation similar to gamma radiation, but they are produced mainly by artificial means rather than from radioactive substances. Neutron radiation: Neutron radiation occurs when neutrons are ejected from the nucleus by nuclear fission and other processes. The nuclear chain reaction is an example of nuclear fission ...
The electromagnetic spectrum consists of gamma rays, X-rays, ultraviolet radiation, visible light, infrared, and radio radiation. Many of these wavelengths cannot penetrate the layers of Earth’s atmosphere and must be observed from space, whereas others—such as visible light, FM radio and TV—can penetrate to Earth’s surface.
- Adapted by Jean Creighton
- 2019
Aug 10, 2016 · SOURCES OF GAMMA RAYS Gamma rays have the smallest wavelengths and the most energy of any wave in the electromagnetic spectrum. They are produced by the hottest and most energetic objects in the universe, such as neutron stars and pulsars, supernova explosions, and regions around black holes. On Earth, gamma waves are generated by nuclear […]
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Nov 3, 2024 · Gamma ray, electromagnetic radiation of the shortest wavelength and highest energy. Gamma rays are produced in the disintegration of radioactive atomic nuclei and in the decay of certain subatomic particles. It includes some overlap with X-rays in the electromagnetic spectrum.
