Supernova blast emitted record burst of gamma rays
11 years, 4 months ago

Supernova blast emitted record burst of gamma rays

LA Times  

Astronomers have chronicled a record-setting burst of gamma rays from the violent death throes of a relatively nearby massive star that imploded into a black hole. The duration of the event -- on the order of hours -- as well as the number of photons created, the energy of those photons and the total explosive energy and radiance “topped the charts” for gamma ray bursts recorded by NASA and its international peers, said Paul Hertz, director of NASA’s astrophysics division. “It’s much more than the energy that the sun has emitted in its whole life,” said Stanford University astrophysicist Nicola Omodei, one of the authors of a series of studies analyzing the gamma ray burst published online Thursday in the journal Science. “We measured events at very high energy that challenge traditional modeling” of gamma ray bursts, Omodei said. Gamma ray bursts are something of the firefly of the astronomy world - very brief but intense radiation events that occur in every reach of the known universe with near daily regularity.

Energy Radiation Nasa Event Ray Burst Gamma Rays Gamma Gamma Ray Supernova Blast Gamma Ray Bursts  rays  supernova  blast  event  emitted  bursts  ray  events  energy  shock  burst  photons  gamma  record  radiation

History of this topic

Nasa catches black hole tearing star apart, then using its energy to destroy another
5 months, 3 weeks ago

Nasa catches black hole tearing star apart, then using its energy to destroy another

The Independent  

Sign up to our free weekly IndyTech newsletter delivered straight to your inbox Sign up to our free IndyTech newsletter Sign up to our free IndyTech newsletter SIGN UP I would like to be emailed about offers, events and updates from The Independent. Read our privacy policy Astronomers have observed a supermassive black hole tearing apart a star and using …

Astronomical satellite detects gamma-ray bursts
8 months, 3 weeks ago

Astronomical satellite detects gamma-ray bursts

China Daily  

A cutting-edge astronomical satellite jointly developed by China and France has begun to produce scientific payoffs, as it recently detected three gamma-ray bursts, according to the Chinese Academy of Sciences. The academy, the nation's top science body, announced this week that the Space Variable Objects Monitor, or SVOM, detected a gamma-ray burst on the morning of June 27, soon after …

The 'morbid' theory explaining why aliens have not contacted us on Earth
11 months ago

The 'morbid' theory explaining why aliens have not contacted us on Earth

Daily Mail  

The speculation that some form of alien life exists beyond our planet goes back to ancient Greece and Rome, yet humans have still not made contact. A variety of cosmic activity may be capable of generating gamma-ray bursts as the National Science Foundation's NOIRLab in Arizona proposed a case that may have originated with the the collision of stars or …

Scientists see huge explosion in space – and it could tell us where life came from
1 year, 5 months ago

Scientists see huge explosion in space – and it could tell us where life came from

The Independent  

Sign up to our free weekly IndyTech newsletter delivered straight to your inbox Sign up to our free IndyTech newsletter Sign up to our free IndyTech newsletter SIGN UP I would like to be emailed about offers, events and updates from The Independent. Read our privacy policy Scientists have watched one of the most powerful explosions ever seen – and …

Earth hit by blast of energy from dead star so powerful that scientists can’t explain it
1 year, 5 months ago

Earth hit by blast of energy from dead star so powerful that scientists can’t explain it

The Independent  

Sign up to our free weekly IndyTech newsletter delivered straight to your inbox Sign up to our free IndyTech newsletter Sign up to our free IndyTech newsletter SIGN UP I would like to be emailed about offers, events and updates from The Independent. The burst of gamma rays, originating in a dead star known as a pulsar, is the most …

Astronomers perplexed by discovery of highest-yet energy blast detected from sun
1 year, 7 months ago

Astronomers perplexed by discovery of highest-yet energy blast detected from sun

The Independent  

Sign up to our free weekly IndyTech newsletter delivered straight to your inbox Sign up to our free IndyTech newsletter Sign up to our free IndyTech newsletter SIGN UP I would like to be emailed about offers, events and updates from The Independent. Since the 1990s, scientists have observed that the sun emits many different kinds of high energy radiation …

Astronomers spot the largest cosmic explosion ever seen
1 year, 10 months ago

Astronomers spot the largest cosmic explosion ever seen

The Independent  

Sign up to our free weekly IndyTech newsletter delivered straight to your inbox Sign up to our free IndyTech newsletter Sign up to our free IndyTech newsletter SIGN UP I would like to be emailed about offers, events and updates from The Independent. Read our privacy policy Astronomers have uncovered the largest cosmic explosion ever witnessed. The explosion is more …

Earth has been hit by an ‘unusual, intense blast of energy’ from nearby galaxy that could change our understanding of the universe
2 years, 3 months ago

Earth has been hit by an ‘unusual, intense blast of energy’ from nearby galaxy that could change our understanding of the universe

The Independent  

Sign up to our free weekly IndyTech newsletter delivered straight to your inbox Sign up to our free IndyTech newsletter Sign up to our free IndyTech newsletter SIGN UP I would like to be emailed about offers, events and updates from The Independent. Read our privacy policy Earth has been hit by an intense, unusual blast of light that could …

A mysterious blast of energy is a black hole pointing straight at Earth, scientists say
2 years, 3 months ago

A mysterious blast of energy is a black hole pointing straight at Earth, scientists say

The Independent  

Sign up to our free weekly IndyTech newsletter delivered straight to your inbox Sign up to our free IndyTech newsletter Sign up to our free IndyTech newsletter SIGN UP I would like to be emailed about offers, events and updates from The Independent. Read our privacy policy A mysterious and incredibly intense blast of visible light that came towards Earth …

Scientists find galaxies that are releasing intense, mysterious blasts of energy
2 years, 4 months ago

Scientists find galaxies that are releasing intense, mysterious blasts of energy

The Independent  

Sign up to our free weekly IndyTech newsletter delivered straight to your inbox Sign up to our free IndyTech newsletter Sign up to our free IndyTech newsletter SIGN UP I would like to be emailed about offers, events and updates from The Independent. Read our privacy policy Scientists have built a detailed inventory of galaxies that are releasing the intense, …

A gamma ray burst — possibly the brightest of all time — sweeps over Earth
2 years, 5 months ago

A gamma ray burst — possibly the brightest of all time — sweeps over Earth

Salon  

Earth just got zapped. On Sunday a gamma-ray burst, the most powerful class of explosions in the universe, caused a wave of gamma rays and X-rays to sweep over Earth. In a breathless press release, NASA emphasized that their detectors all over the planet picked up on this, including NASA's Fermi Gamma-ray Space Telescope, the Neil Gehrels Swift Observatory, and …

Astronomers observe the brightest flash of light EVER seen
2 years, 5 months ago

Astronomers observe the brightest flash of light EVER seen

Daily Mail  

Astronomers have observed the brightest flash of light ever seen - a 18,000,000,000,000 volt burst from an event that occurred 2.4 billion light years from Earth. This picture provided by NASA on October 14, 2022 shows the Swift's X-Ray Telescope capturing the afterglow of GRB 221009A about an hour after it was first detected Gamma-ray bursts are the most violent …

Astronomers are captivated by brightest flash ever seen
2 years, 5 months ago

Astronomers are captivated by brightest flash ever seen

The Hindu  

Astronomers have observed the brightest flash of light ever seen, from an event that occurred 2.4 billion light years from Earth and was likely triggered by the formation of a black hole. "Gamma-ray bursts in general release the same amount of energy that our Sun produces over its entire lifetime in the span of a few seconds -- and this …

Mysterious energy burst seen in millimeter wavelength radio astronomy for first time
2 years, 7 months ago

Mysterious energy burst seen in millimeter wavelength radio astronomy for first time

The Independent  

Sign up to our free weekly IndyTech newsletter delivered straight to your inbox Sign up to our free IndyTech newsletter Sign up to our free IndyTech newsletter SIGN UP I would like to be emailed about offers, events and updates from The Independent. Read our privacy policy One of the most powerful flashes in the sky, the result of a …

Have we spotted the birth of a black hole?
3 years, 2 months ago

Have we spotted the birth of a black hole?

The Independent  

Sign up for our free Health Check email to receive exclusive analysis on the week in health Get our free Health Check email Get our free Health Check email SIGN UP I would like to be emailed about offers, events and updates from The Independent. But models of dying stars show that if the original star is massive enough, the …

Supergiant star explosion seen live by astronomers in unprecedented breakthrough
3 years, 2 months ago

Supergiant star explosion seen live by astronomers in unprecedented breakthrough

The Independent  

Sign up to our free weekly IndyTech newsletter delivered straight to your inbox Sign up to our free IndyTech newsletter Sign up to our free IndyTech newsletter SIGN UP I would like to be emailed about offers, events and updates from The Independent. Read our privacy policy Scientists have watched live as a red supergiant star came to its dramatic …

Researchers observe never before seen short gamma-ray burst from collapsing star
3 years, 8 months ago

Researchers observe never before seen short gamma-ray burst from collapsing star

Hindustan Times  

Astronomers from across the world, including those from four Indian institutions, observed a 0.65 second gamma-ray burst in August last year using NASA’s Fermi Gamma-ray space telescope. Astronomers believe that short gamma-ray bursts of less than two seconds originate when two black holes, two neutron stars, or a black hole and a neutron star merge with each other. This observation …

Indian astronomers part of Nasa team detect radiation from death of a star over 5 billion years ago
3 years, 8 months ago

Indian astronomers part of Nasa team detect radiation from death of a star over 5 billion years ago

India Today  

Part of an astronomy team, Indian astronomers have detected a very short, powerful burst of high-energy radiation that lasted for about a second. While the burst was detected for barely a second, astronomers estimate that it emitted 14 million times the energy released by the entire Milky Way galaxy over the same amount of time, making it one of the …

Phenomenal explosion in space captured like never before
3 years, 9 months ago

Phenomenal explosion in space captured like never before

The Independent  

Sign up to our free weekly IndyTech newsletter delivered straight to your inbox Sign up to our free IndyTech newsletter Sign up to our free IndyTech newsletter SIGN UP I would like to be emailed about offers, events and updates from The Independent. from the ground A typical gamma-ray burst usually takes place 20 billion light years away, but this …

Astronomers spot 'unexplained brightness' from colossal explosion
4 years, 4 months ago

Astronomers spot 'unexplained brightness' from colossal explosion

India TV News  

Astronomers have discovered the brightest infrared light from a short gamma-ray burst ever seen, with a bizarre glow that is much brighter than previously thought was possible. It's half-second flash of light, detected in May of this year, came from a violent explosion of gamma rays billions of light-years away that unleashed more energy in a blink of an eye …

New findings make fast radio bursts all the more intriguing
4 years, 4 months ago

New findings make fast radio bursts all the more intriguing

Live Mint  

Ever since they were discovered more than a decade ago, fast radio bursts, or FRBs—powerful, millisecond-duration radio waves that come from deep space—have kept astrophysicists guessing about their origins. Researchers working with the Canadian Hydrogen Intensity Mapping Experiment and the Survey for Transient Astronomical Radio Emission 2 —two radio telescope arrays—found conclusive evidence of radio bursts emerging from a magnetar …

Gamma rays get an energy boost
5 years, 3 months ago

Gamma rays get an energy boost

The Hindu  

A pair of distant explosions discovered by NASA’s Fermi Gamma-ray Space Telescope and Neil Gehrels Swift Observatory have produced the highest-energy light yet seen from these events, called gamma-ray bursts. “Now, thanks to these new ground-based detections, we’re seeing the gamma rays from gamma-ray bursts in a whole new way.” Two papers published in a recent issue of “Nature” describe …

Astronomers identify "nearby" star system with potential to produce gamma-ray burst
6 years, 4 months ago

Astronomers identify "nearby" star system with potential to produce gamma-ray burst

India TV News  

In a second only to the Big Bang event, astronomers have identified a "nearby" star system with the potential to produce a gamma-ray burst, one of the most energetic events in the universe. According to a research published in Sydney on Tuesday, scientists revealed they have located the first of this rare star system in our galaxy, just 8,000 light …

Spectacular cosmic pinwheel is a 'ticking bomb' set to blast gamma rays across the Milky Way
6 years, 4 months ago

Spectacular cosmic pinwheel is a 'ticking bomb' set to blast gamma rays across the Milky Way

ABC  

Eight thousand light-years away in a constellation called Norma, a spectacular spiral of gas and dust is churning around a doomed star system like we've never seen before. Key points: Astronomers have named the breathtaking pinwheel Apep, after the Egyptian god of chaos and destruction At its centre are two massive, fast-spinning "Wolf-Rayet stars" which appear to be on the …

Researchers find mysterious unexplained 'ghost' radio emission that lasted for 25 years
6 years, 5 months ago

Researchers find mysterious unexplained 'ghost' radio emission that lasted for 25 years

Daily Mail  

Astronomers have revealed the night sky could be full of 'ghost' objects. California researchers spotted an extremely bright source of radio emissions that blazed into existence in the 1990s and then faded out over next 25 years WHAT WAS IT? It was on a par with the brightest radio sources in the universe: quasars and active galactic nuclei fueled by …

Could mysterious gamma-ray burst be linked to gravitational wave find?
8 years, 11 months ago

Could mysterious gamma-ray burst be linked to gravitational wave find?

LA Times  

After a decades-long search, scientists announced early this year that they had detected gravitational waves probably coming from the merger of two black holes back in September. Now, a team of scientists using NASA’s Fermi Gamma-ray Space Telescope say they spotted a brief flash of gamma rays that occurred less than half a second after that long-sought gravitational wave signal. …

Crash Course Astronomy: Gamma-Ray Bursts
9 years, 4 months ago

Crash Course Astronomy: Gamma-Ray Bursts

Slate  

Back when I got my Ph.D. in astronomy, I was pretty focused on my own research topic. These huge explosions in space are basically genetically designed to hit all my scientific sweet spots: They’re mysterious, they’re ridiculously powerful, everything about them is over the top, and they baffled astronomers for decades. They’re the topic of this week’s Crash Course Astronomy: …

‘Monster’ cosmic blast zipped harmlessly by Earth
11 years, 4 months ago

‘Monster’ cosmic blast zipped harmlessly by Earth

Associated Press  

WASHINGTON — Astronomers call it the monster. In general, gamma ray bursts are “the most titanic explosions in the universe,” and this one was so big that some of the telescope instruments hit their peak, Preece said. Astronomers say it is incredibly unlikely that a gamma ray burst — especially a big one like this — could go off in …

A 24-carat collision: All of the gold on Earth came from dead stars crashing together, claim scientists
11 years, 8 months ago

A 24-carat collision: All of the gold on Earth came from dead stars crashing together, claim scientists

Daily Mail  

A 24-carat collision: All of the gold on Earth came from dead stars crashing together, claim scientists Scientists reveal gold is created as the result of gamma-ray bursts These bursts are created when stars die and collide with each other When these collisions take place heavy elements such as gold are released The amount of gold produced when two neutron …

Ultralong gamma-ray bursts: Hours-long events caused by supergiant stars.
11 years, 11 months ago

Ultralong gamma-ray bursts: Hours-long events caused by supergiant stars.

Slate  

I have long been fascinated by gamma-ray bursts. These are incredibly violent events: It’s like taking the Sun’s entire lifetime energy output and cramming into a single event that lasts for mere seconds! Several ideas were put forth, but new observations provided the linchpin: an ultra-long-duration GRB occurred on Christmas Day in 2010, and its distance was found to be …

X-ray vision can reveal birth of supernovae?
12 years, 3 months ago

X-ray vision can reveal birth of supernovae?

Firstpost  

Astronomers have uncovered new evidence that suggests that space-borne X-ray detectors could be the first to spot new supernovae signalling … Astronomers have uncovered new evidence that suggests that space-borne X-ray detectors could be the first to spot new supernovae signalling the death of massive stars. University of Leicester researchers measured an excess of X-ray radiation in the first few …

Cosmic crash
13 years, 8 months ago

Cosmic crash

The Hindu  

Evidence of a gamma-ray burst picked up by a NASA spacecraft has scientists wondering what mighty cosmic event could have caused it. Preliminary analyses of the unusual characteristics of the spectral distribution of the emission, which are still ongoing nearly three months after the first signal was picked up, have led two groups of scientists who observed it to believe …

Gamma-Ray Bursts Could Halt Photosynthesis
14 years, 8 months ago

Gamma-Ray Bursts Could Halt Photosynthesis

Wired  

Cosmic explosions thousands of light-years away could shut down photosynthesis in the ocean at depths of up to 260 feet, a new study suggests. The calculations add to a growing body of research linking these great blasts, called gamma-ray bursts, with biological damage and even mass extinctions on Earth. These bright beams, known as gamma-ray bursts, can last up to …

Mysterious Gamma-Ray Bursts May Have Ties to Failed Black Holes
15 years, 9 months ago

Mysterious Gamma-Ray Bursts May Have Ties to Failed Black Holes

Wired  

Gamma-ray bursts are the most massive explosions in the universe since the Big Bang, and yet scientists still know relatively little about them. New research published last week on the arXiv website, and not yet peer reviewed, suggests that gamma-ray bursts may be the result of a strange effect that can stop a black hole from forming. Lebedev Physical Institute …

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