Sentences with phrase «cosmic gamma ray burst»

A team of astronomers using a pair of National Science Foundation radio telescopes has made the first measurements of the size and expansion of a mysterious, intense fireball resulting from a cosmic gamma ray burst last May.

Cosmic gamma ray bursts, occurring about once per day, have been observed for some 30 years.

Not exact matches

COSMIC strings — imperfections in space - time — may be to blame for two unusual bursts of gamma rays in the early universe.

Penn State University astronomers have discovered that the mysterious «cosmic whistles» known as fast radio bursts can pack a serious punch, in some cases releasing a billion times more energy in gamma - rays than they do in radio waves and rivaling the stellar cataclysms known as supernovae in their explosive power.

Such counterparts are dependably seen in the wake of comparably energetic cosmic explosions, including both stellar - scale cataclysms — supernovae, magnetar flares, and gamma - ray bursts — and episodic or continuous accretion activity of the supermassive black holes that commonly lurk in the centers of galaxies.

Cosmic Bursts Demystified Gamma - ray bursts, brilliant flashes of radiation that occur in random directions roughly once a day, have for years been attributed to everything from colliding comets to natural particle accelerBursts Demystified Gamma - ray bursts, brilliant flashes of radiation that occur in random directions roughly once a day, have for years been attributed to everything from colliding comets to natural particle accelerbursts, brilliant flashes of radiation that occur in random directions roughly once a day, have for years been attributed to everything from colliding comets to natural particle accelerators.

Gamma ray bursts (GRBs) and other cosmic explosions called x-ray flashes are the same phenomenon in different guises.

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.

«High - energy neutrinos are produced along with gamma rays by extremely high - energy radiation known as cosmic rays in objects like star - forming galaxies, galaxy clusters, supermassive black holes, or gamma - ray bursts.

The explosion was officially designated GRB 090423, after its type (a gamma - ray burst) and date of detection; the space agency quickly announced it as the new record holder for cosmic distance.

Gamma - 400 aims to probe the nature of dark matter and the origins of extragalactic cosmic rays, and will search for high - energy gamma - ray buGamma - 400 aims to probe the nature of dark matter and the origins of extragalactic cosmic rays, and will search for high - energy gamma - ray bugamma - ray bursts.

That's the conclusion of a group of physicists who studied the effects of massive cosmic explosions, called gamma ray bursts, on planets.

This would make a weak black hole flare up, producing a burst of gamma rays that in turn spits out cosmic rays, suggests Farrar (arxiv.org/abs/1207.3186v1).

It is expected to operate for 10 years, observing high - energy gamma - ray photons from violent supermassive black holes and mysterious cosmic explosions called gamma - ray bursts.

Enrico Costa of the Institute of Space Astrophysics and Cosmic Physics in Rome and Gerald Fishman of NASA's Marshall Space Flight Center in Huntsville, Alabama, won the astronomy prize for leading the development of space missions that started unraveling the secrets of gamma - ray bursts (pictured).

The powerful blasts of particles and light energy known as gamma - ray bursts come from violent cosmic events in deep space, such as stellar explosions and black hole collisions.

VLT observations have shed new light on the mysterious cosmic explosions known as gamma - ray bursts, which are the most powerful blasts in the universe.

Astronomers have used the National Science Foundation's Very Large Array radio telescope to make the first detection of radio emission from a cosmic gamma - ray burst.

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?