Gamma Ray Burst Hitting Earth


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Big gamma-ray flare from star disturbs Earth's ionosphere

Big Gamma-ray Flare From Star Disturbs Earth's Ionosphere

On Dec. 27, 2004, scientists detected the largest gamma-ray burst ever recorded. It came from a magnetar—a neutron star with an enormous magnetic field—50,000 light years away. On Feb. 19 in St. Louis at the annual meeting of the American Association for the Advancement of Science (AAAS), Stanford electrical engineering Professor Umran Inan described what scientists learned from this rare and dramatic atmospheric disturbance. Mar 1, 2006 ... On Dec. 27, 2004, scientists detected the largest gamma-ray burst ever recorded. It came from a magnetar—a neutron star with an enormous ... [ReadMore..]

Gamma-ray burst - Wikipedia

Gamma-ray Burst - Wikipedia

The sources of most GRBs are billions of light years away from Earth, implying that the explosions are both ... [ReadMore..]

Astronomers spot highest-energy blast from most powerful cosmic ...

Astronomers Spot Highest-energy Blast From Most Powerful Cosmic ...

'This has the potential to significantly advance our understanding of these violent phenomena,' says scientist Nov 20, 2019 ... The blast of radiation, known as gamma-rays, came in two bursts that hit Earth with more than 100 billion times the energy in visible light. [ReadMore..]

Gamma-ray burst 'hit Earth in 8th Century' - BBC News

Gamma-ray Burst 'hit Earth In 8th Century' - BBC News

A gamma-ray burst - the most powerful explosion known in the Universe - may have hit the Earth in the 8th Century, a study suggests. Jan 21, 2013 ... A gamma-ray burst - the most powerful explosion known in the Universe - may have hit the Earth in the 8th Century, a study suggests. [ReadMore..]

How Deadly Would a Nearby Gamma Ray Burst Be? | News ...

How Deadly Would A Nearby Gamma Ray Burst Be? | News ...

Despite the obvious doom and gloom associated with mass extinctions, they have a tendency to capture our imagination. After all, the sudden demise of the dinosaurs, presumably d... Nov 8, 2016 ... Gamma ray bursts (GRBs) are the brightest electromagnetic blasts known to occur in the Universe, and can originate from the collapse of the most ... [ReadMore..]

Gamma Ray Bursts May Have Caused Ancient Extinctions - SVS

Gamma Ray Bursts May Have Caused Ancient Extinctions - SVS

May 4, 2005 ... The scientists calculated that gamma-ray radiation from a relatively nearby star explosion, hitting the Earth for only ten seconds, ... [ReadMore..]

Opinion: Why gamma-ray burst shocked scientists | CNN

Opinion: Why Gamma-ray Burst Shocked Scientists | CNN

Meg Urry says the April 27 event was likely the collapse of a massive star into a black hole and will yield much for astronomers to analyze May 6, 2013 ... On April 27, NASA satellites detected massive gamma-ray burst, ... Meg Urry says the event sent jets of charged particles in Earth's ... [ReadMore..]

Did Deadly Gamma-Ray Burst Cause a Mass Extinction on Earth ...

Did Deadly Gamma-Ray Burst Cause A Mass Extinction On Earth ...

Dec 8, 2014 ... Short gamma-ray bursts happen about five times more often than long ones. However, since these shorter bursts are weaker, the researchers found ... [ReadMore..]

Explosions in Space May Have Initiated Ancient Extinction ... - NASA

Explosions In Space May Have Initiated Ancient Extinction ... - NASA

Apr 6, 2005 ... The scientists calculated that gamma-ray radiation from a relatively nearby star explosion, hitting the Earth for only ten seconds, ... [ReadMore..]

NASA's Fermi Spots a Supernova's 'Fizzled' Gamma-ray Burst | NASA

NASA's Fermi Spots A Supernova's 'Fizzled' Gamma-ray Burst | NASA

On Aug. 26, 2020, NASA’s Fermi Gamma-ray Space Telescope detected the weakest gamma-ray burst caused by the death of a massive star ever seen. Jul 26, 2021 ... On Aug. 26, 2020, NASA's Fermi Gamma-ray Space Telescope detected a pulse of high-energy radiation that had been racing toward Earth for ... [ReadMore..]

Did an 8th century gamma ray burst irradiate Earth? -- ScienceDaily

Did An 8th Century Gamma Ray Burst Irradiate Earth? -- ScienceDaily

A nearby short duration gamma-ray burst may be the cause of an intense blast of high-energy radiation that hit the Earth in the 8th century, according to new research. Jan 21, 2013 ... A nearby short duration gamma-ray burst may be the cause of an intense blast of high-energy radiation that hit the Earth in the 8th century, ... [ReadMore..]