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A gamma ray, also known as gamma radiation (symbol. γ. ), is a penetrating form of electromagnetic radiation arising from the radioactive decay of atomic nuclei. It consists of the shortest wavelength electromagnetic waves, typically shorter than those of X-rays. With frequencies above 30 exahertz (3 × 1019 Hz) and wavelengths less than 10 ...
English. Box office. $1,858,064. Arctic Tale is a 2007 American documentary film from the National Geographic Society about the life cycle of a walrus and her calf, and a polar bear and her cubs, in a similar vein to the 2005 hit production March of the Penguins, which was adapted for an English-language release by National Geographic.
Into the Okavango is a 2018 American National Geographic documentary film written, directed and produced by Neil Gelinas. [1][2] It focuses on a team of modern-day explorers who go for a 1500 mile, four-month expedition through Angola, Botswana and Namibia to save the Okavango River that joins the Okavango Delta. [3][4] The film was ...
The bright rings form as a result of X-rays scattered from otherwise unobservable dust layers within our galaxy that lie in the direction of the burst. Most observed events (70%) have a duration of greater than two seconds and are classified as long gamma-ray bursts.
The Moon as seen by the Energetic Gamma Ray Experiment Telescope (EGRET), in gamma rays of greater than 20 MeV. These are produced by cosmic ray bombardment of its surface. [1] Gamma-ray astronomy is a subfield of astronomy where scientists observe and study celestial objects and phenomena in outer space which emit cosmic electromagnetic ...
Gammasphere was built in the early 1990s and has operated at the 88-inch cyclotron at Berkeley National Laboratory and at Argonne National Laboratory. In the movie Hulk, Bruce Banner is zapped by a machine called the Gammasphere. The actual Gammasphere, which detects rather than emits gamma rays, was used as a model for the device shown in the ...
The red dots show some of the ~500 terrestrial gamma-ray flashes daily detected by the Fermi Gamma-ray Space Telescope through 2010. A terrestrial gamma-ray flash (TGF), also known as dark lightning, is a burst of gamma rays produced in Earth's atmosphere. TGFs have been recorded to last 0.2 to 3.5 milliseconds, and have energies of up to 20 ...
THEMIS (Explorer 85-89) →. Neil Gehrels Swift Observatory, previously called the Swift Gamma-Ray Burst Explorer, is a NASA three-telescope space observatory for studying gamma-ray bursts (GRBs) and monitoring the afterglow in X-ray, and UV/Visible light at the location of a burst. [ 5 ] It was launched on 20 November 2004, aboard a Delta II ...
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related to: national geographic movies about gamma rays