It was a gamma-ray burst鈥攐ne of the most violent events in the universe, and among the most puzzling. Fox knew that the coming evening was his one chance to catch the burst's quickly fading glow and to help solve one of the most frustrating mysteries in astronomy: What creates gamma...
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An illustration of a gamma-ray burst (Image credit: NASA/Swift/Cruz deWilde) Fortunately, Earth's atmosphere protects us from major exposure to gamma rays originating from beyond the Earth. However, nothing would protect us, or the planet, from the most powerful source of gamma rays in the...
Described by NASA as among the most powerful phenomena in our universe, gamma-ray bursts are essentially dramatic explosions of extremely high-energy light. They were first discovered in 1963 when the U.S. used one ofthe functions of satellitesto help monitor signs of illegal nuclear testing fro...
gamma-ray burst classes (Mukherjee et al. 1998; Bagoly et al. 1998; Hakkila et al. 2000a): –3 – duration T90 (the time interval during which 90% of a burst’s emission is detected), fluence S (time integrated flux in the 50 to 300 keV spectral range), and spectral hardness...
It is now recognized that long-duration Gamma-Ray Bursts (GRBs) are linked to the collapse of massive stars, based on the association between (low-redshift) GRBs and (type Ic) core-collapse supernovae (SNe). The census of massive stars and GRBs reveals, however, that not all massive...
How powerful is a gamma ray burst? How did Paul Villard discover gamma rays? How does Hawking radiation work? How deep does alpha radiation penetrate? For gamma radiation, what stops its penetrating abilities? Explain how Beta and Gamma radiations can be used to produce diagnostic images. Can...
It’s hypothesized that the first of the five mass extinctions on the chart above may have been caused by a gamma-ray burst. A solar super flare. Solar flares happen all the time, and the Earth’s magnetic field typically shields us from them (this is what produces the Northern Lights)...
Fermi gamma rays space telescope was designed to study astronomical objects. The telescope contains the Gamma-Ray burst monitor and the telescope...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our experts can answer your tough homework...
6. A Gamma-ray burst Timeframe: 500,000 years, maybe? Gamma-ray bursts (GRBs) are extremely energetic explosions that have been observed in distant galaxies. They are the most powerful events known to occur in the universe. They observed from Earth despite their typically immense distances –...