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I was reading about gamma ray bursts and read something along the lines of 1 MeV gamma rays corresponding to a fireball above 2 billion degrees Celsius.Gamma-ray bursts (GRBs) are the brightest, most energetic blasts of light in the universe. Released by an immense cosmic explosion, a single GRB is capable of shining about a million trillion times brighter than Earth’s sun, according to NASA — and, for the most part, scientists can’t explain why they happen.With the gamma-rays beamed directly at Earth, the radiation would destroy a significant portion of our atmosphere, specifically the ozone layer. The photons streaming from the burst would cause chemical reactions leading to photochemical smog. This would further deplete our protection from cosmic rays.
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How powerful is a gamma-ray burst?
Gamma-ray bursts (GRBs) are the brightest, most energetic blasts of light in the universe. Released by an immense cosmic explosion, a single GRB is capable of shining about a million trillion times brighter than Earth’s sun, according to NASA — and, for the most part, scientists can’t explain why they happen.
What would happen if a gamma-ray burst hit the Earth?
With the gamma-rays beamed directly at Earth, the radiation would destroy a significant portion of our atmosphere, specifically the ozone layer. The photons streaming from the burst would cause chemical reactions leading to photochemical smog. This would further deplete our protection from cosmic rays.
Death From Space — Gamma-Ray Bursts Explained
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How bright is a gamma-ray burst?
Gamma-ray bursts (GRBs) are short-lived bursts of gamma-ray light, the most energetic form of light. Lasting anywhere from a few milliseconds to several minutes, GRBs shine hundreds of times brighter than a typical supernova and about a million trillion times as bright as the Sun.
Are gamma-ray bursts as powerful as the sun?
A gamma-ray burst will emit the same amount of energy as a supernova, caused when a star collapses and explodes, but in seconds or minutes rather than weeks. Their peak luminosities can be 100 billion billion times that of our sun, and a billion times more than even the brightest supernovas.
Can a gamma-ray burst destroy a planet?
Scientists at NASA and the University of Kansas say that a mass extinction on Earth hundreds of millions of years ago could have been triggered by a star explosion called a gamma-ray burst. The scientists do not have direct evidence that such a burst activated the ancient extinction.
What is the most powerful thing ever?
That’s about the same amount of energy in 10 trillion trillion billion megaton bombs! These explosions generate beams of high-energy radiation, called gamma-ray bursts (GRBs), which are considered by astronomers to be the most powerful thing in the universe.
What if a gamma ray burst hit a black hole?
Gamma radiation is still in the light spectrum, and thus its speed is in fact not bigger than the speed of light. so as the other answer already said, the black hole would simply absorb the radiation and nothing would happen.
See some more details on the topic How hot is a gamma ray burst? here:
Gamma-ray burst – Wikipedia
Bursts can last from ten milliseconds to several hours. After an initial flash of gamma rays, a longer-lived “afterglow” is usually emitted at longer …
Gamma-ray Bursts – Hubble Space Telescope
A typical burst releases as much energy in a few seconds as the Sun will in its entire 10 billion year lifetime. A longer-lived afterglow of X-ray, ultraviolet …
Feeling the heat from a gamma-ray burst | News
Heat generated from a gamma-ray burst has been detected for the first time by a team of astronomers led by University of Notre Dame …
Thermal emission in the early afterglow of gamma-ray bursts …
The model is applied to a prototypical GRB 090618 and other gamma-ray bursts … emission as coming from a hot plasma “cocoon” emerging when the GRB jet …
Is there anything more powerful than a gamma ray burst?
Previous research suggested that gamma-ray bursts might generate extraordinarily strong gamma-rays. But scientists have not been able to spot such energetic light — photons with energies higher than 100 billion electron volts.
When was the last gamma ray burst?
The blast lasted just 0.65 seconds, although after traveling for eons through the expanding universe, this signal had stretched out to about 1 second long when it was detected on Aug. 26, 2020, by NASA’s Fermi Gamma-ray Space Telescope.
What is stronger than a hypernova?
Virus404 is 999,999,999,999,999,999,999,999 stronger than other viruses. Typical hypernovae can be anywhere from ten to a hundred times more powerful than a supernova. SUPERLUMINOUS SUPERNOVA (Hypernova): A burst 5 to 50 times more energetic than a supernova.
Can a hypernova destroy a galaxy?
Supernovas are created during the last moments of a star’s life. These gigantic explosions can wipe out galaxies and the planets inside them.
What If a Gamma-Ray Burst Hits the Earth?
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Do gamma-ray bursts create black holes?
These gamma ray bursts, considered some of the most powerful explosions in the universe, are thought to be associated with the formation of black holes or the merging of neutron stars.
Is a quasar the same as a gamma-ray burst?
Quasars are thought to be powered by accretion of material onto supermassive black holes in the centers of distant galaxies. Gamma-ray bursts, the death throes of massive stars, are the most energetic explosions in the universe.
How close would a gamma-ray burst have to be?
The spectrum of the object revealed a redshift of z = 0.835, placing the burst at a distance of roughly 6 billion light years from Earth. This was the first accurate determination of the distance to a GRB, and together with the discovery of the host galaxy of 970228 proved that GRBs occur in extremely distant galaxies.
What are hyper Novas?
Hypernovas are the most powerful supernova explosions in the universe, 10 to even up to 100 times brighter than a typical supernova.
What would happen if a quasar hit Earth?
If so, “we would all be dead.” It would cook the Earth’s surface with massive bursts of radiation called gamma rays, he said. Then, if it were close enough, the quasar would devour our planet, our sun, the whole solar system, in a matter of months, Schmidt said.
What would gamma rays do to a human?
Gamma rays have so much penetrating power that several inches of a dense material like lead, or even a few feet of concrete may be required to stop them. Gamma rays can pass completely through the human body; as they pass through, they can cause ionizations that damage tissue and DNA.
What is the most destructive thing in the universe?
Death by black hole
Black holes are expected to form when a massive star dies. After the star’s nuclear fuel is exhausted, its core collapses to the densest state of matter imaginable, a hundred times denser than an atomic nucleus.
What is the most powerful black hole?
| Name | Solar mass (Sun = 1 × 100) | Notes |
|---|---|---|
| NGC 4593 | 5.36+9.37 −6.95×106 8130000 | |
| Messier 61 | 5×106 | |
| Messier 32 | 1.5×106–5×106 | A dwarf satellite galaxy of the Andromeda Galaxy. |
| Sagittarius A* | 4.3×106 | The black hole at the center of the Milky Way. |
What’s the hardest thing in the universe?
Summary: A team of scientists has calculated the strength of the material deep inside the crust of neutron stars and found it to be the strongest known material in the universe.
Can a black hole revert to a star?
There’s several ways this question could be answered, but they all come down to an emphatic “no” – a black hole will not return to being a main sequence star.
What If a Gamma-Ray Burst Hit a Black Hole?
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What can destroy a black hole?
Black holes are among the most destructive objects in the universe. Anything that gets too close to a black hole, be it an asteroid, planet, or star, risks being torn apart by its extreme gravitational field. By some accounts, the universe may eventually consist entirely of black holes.
Can gamma-ray travel faster than light?
High-speed particle jets from gamma-ray bursts may exceed the speed of light in surrounding gas clouds, but do so without violating Einstein’s theory of relativity, says a team of astrophysicists from the Michigan Technological University and the College of Charleston.
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