Sentences with phrase «about gamma ray bursts»
The lifelong learner and local transplant had such a good experience in professor Bing Zhang's general astronomy course that he decided to audit Zhang's graduate course about gamma ray bursts.
https://www.unlv.edu/
They then measured how changing the cosmological constant affected the universe's density, paying particular attention to what that meant about gamma ray bursts raining down radiation on stars and planets.
Since then, its discoveries have starred in ScienceNOW stories about gamma ray bursts at the fringes of the galaxy (24 April 1998), gamma ray bursts possibly spawned by black holes (15 June 1998), and gamma ray bursts that appear to lack gamma rays (20 October 1999), among others.
Not exact matches
Like the flashbulbs of paparazzi, gamma - ray bursts pop off all the time in the universe, about one a day.
Their analysis has revealed key details about the initial «prompt» phase of gamma - ray bursts and the evolution of the large jets of matter and energy that form as a result.
The event, named GRB160625B, revealed key details about the initial «prompt» phase of gamma - ray bursts and the evolution of the large jets of matter and energy that form as a result of the burst.
About two seconds after the detection of the gravitational wave, ESA's INTEGRAL telescope and NASA's Fermi Gamma - ray Space Telescope observed a short gamma - ray burst in the same direcGamma - ray Space Telescope observed a short gamma - ray burst in the same direcgamma - ray burst in the same direction.
A new study casts doubt on a long - standing belief about the power behind gamma - ray bursts, the most energetic explosions in the universe.
He notes, however, that «there is evidently a great deal yet to be discovered about [gamma - ray bursts].»
Like the flashbulbs of paparazzi, gamma ray bursts pop off all the time in the universe; about one a day but their origin remains elusive.
«But this new theory predicts that when you compare near - infrared and optical images of a short gamma - ray burst about a week after the blast, the kilonova should pop out in the infrared, and that's exactly what we're seeing.»
Schaefer realized that only a gamma - ray burst, the most powerful type of explosion ever observed, is bright enough to give us information about conditions near the edge of the visible universe, more than 13 billion light - years away.
For a long time after gamma - ray bursts were discovered — accidentally, by Defense Department satellites looking for Soviet nuclear detonations in space — astronomers knew next to nothing about them.
The source might be something we already know about — possibly the fierce explosions called gamma - ray bursts that are thought to mark the birth of black holes.
A burst of gamma rays segued into a glow of visible and infrared light, first spotted about 12 hours after the smashup.
On the one hand there was a quest by scientists to find the world's funniest joke, and on the other, dire warnings about the dangers of mobile phones, an increase in the incidence of new variant CJD, climate change, and cosmic threats to Earth in the shape of asteroids and gamma ray bursts.
In April a team of astronomers finally confirmed the origin of mysterious high - energy bursts of gamma rays that randomly pervade the universe about twice a day.
And gamma - ray bursts — thought to result from especially powerful supernovas or stellar collisions — are so rare that the researchers calculated that, over a billion years, there's only about a 1 in 3 billion chance of one killing off tardigrades.
This is about a hundred times as much energy as that released in the brightest supernova explosion, and is many times more than the amount needed to explain the origin of the bursts of gamma rays.
In about a billion years, the two stars will spiral in towards one another and merge, releasing a burst of gamma rays.
Stephen Thorsett of Princeton University in New Jersey has been thinking about the implications for life on Earth should a nearby object in space suddenly emit a powerful burst of gamma rays.
Besides confirming theories about the source of some short - duration gamma - ray bursts and the formation mechanism of many of the heavy elements including platinum, lead, gold, and rare earth elements, the gravitational waves enabled us to get a distance to the galaxy independent of the usual step - by - step procedure called the «distance scale ladder».
The scientists reported their findings about the May 8 gamma ray burst in the September 18 issue of Nature.
Cosmic gamma ray bursts, occurring about once per day, have been observed for some 30 years.
Seven years is a hugely long time period and this gamma - ray burst you're talking about might be the final proof of the influence of ancient aliens on the psyche of medieval man!
I mean, what do we know about the effects of gamma ray bursts of cosmic origin to the psyche of contemporary man, let alone the medievalists?