Sentences with phrase «burst of gamma rays»

Similar results have been found for bursts of gamma rays associated with the explosion of massive stars.

Meanwhile, astronomers using another NASA satellite, the Compton Gamma Ray Observatory, believe they now know the source of powerful bursts of gamma rays coming from points distributed evenly across the sky.

Instead of seeing explosions from Siberia, though, the Velas spied bursts of gamma rays coming from space.

Astronomers are furiously searching for the source of a brief burst of gamma rays detected by NASA's Swift space telescope on Monday.

Theorists had thought explosive bursts of gamma rays could be behind the cosmic rays.

Shocks in the jets produce the initial burst of gamma rays, which may last from just a few seconds to a couple of minutes.

For this theory to work, the beams released by black holes would have to have strong, self - generated magnetic fields and the rotation of particles around the fields would then give off powerful bursts of gamma ray radiation.

«Previously, as anticipated, gamma ray detectors had observed bursts of gamma rays such as were expected from neutron star mergers.

«Our theories predicted that neutron star binaries, which would inevitably merge as they emit gravitational waves, would produce a short and distinctive burst of gamma rays at the moment of their merger,» Mészáros said.

This may cause spectacular bursts of gamma rays or supernova explosions.

The Compton Gamma Ray Observatory (CGRO), designed to detect gamma rays from distant astrophysical objects such as neutron stars and supernova remnants, had also begun recording bright, millisecond - long bursts of gamma rays coming not from outer space but from Earth below.

Torrents of energy from hot matter plunging into these holes are thought to then create bursts of gamma rays and x-rays.

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.

The gadolinium would capture the neutron about 20 microseconds after it's created, taking it into its own nucleus and leading to the immediate burst of gamma rays.

The balls are neutron stars and Piran suggests that one - off bursts of gamma rays, which have mystified astronomers for more than two decades, are released when the two neutron stars of a binary system crash into one another.

COULD the mysterious bursts of gamma rays that come from all parts of the sky be caused by distant collisions between balls of nuclear material measuring just 10 kilometres across?

During the initial burst of light, the neutron star merger shone a bright blue hue, then gradually faded and became redder over time, finally disappearing from the visible spectrum about a week after the first burst of gamma rays.

On January 31, 2000, a brief burst of gamma rays was detected by an network of satellites (Ulysses, NEAR and Konus) via the InterPlanetary Network (Hurley et al, 2000).

Caltech and Penn State astronomers have found an explosive burst of gamma rays that seem to come from nowhere.

Eventually, however, the neutrinos produced by the supernova are seen after the initial 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.

Parts of the string then emit low - frequency radio waves that accelerate the surrounding plasma into generating a burst of gamma rays.

The merging black holes that led to the discovery of gravitational waves may have been enveloped inside a gigantic star, which gave off a burst of gamma rays

Whenever a positron meets an electron, they annihilate each other, producing a burst of gamma rays of a specific wavelength.

A burst of gamma rays segued into a glow of visible and infrared light, first spotted about 12 hours after the smashup.

BRIGHT BURST After two neutron stars slammed together, scientists detected gravitational waves, a burst of gamma rays and a glow from ejected material, shown in this artist's conception.

Dark lightning is a burst of gamma rays produced during thunderstorms by extremely fast moving electrons colliding with air molecules.

A black hole has been spotted belching out a burst of gamma rays after gulping down part of a nearby star, something never seen before.

Positronium «atoms» survive less than a millionth of a second before the electron and positron annihilate in a burst of gamma rays.

In the wee hours of the morning of 19 March, astronomers detected from more than halfway across the universe a burst of gamma rays brighter than a hundred - billion suns — and aimed squarely at Earth.

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.

If Piran is correct, the characteristic signature of such an event should be a burst of gravitational waves that ends just as a burst of gamma rays arrives from the same source.

In about a billion years, the two stars will spiral in towards one another and merge, releasing a burst of gamma rays.

Unknown artist (more images at NASA)-- larger illustration After the first («pre-burst») burst of gamma rays, shockwaves in the fireball create the the main burst that quickly fades to reveal the more typical «afterglow» of supernova - type emissions at x-ray, visible light, and other lower energy wavelengths (more images from NASA).

The rippling space - time grid represents gravitational waves that travel out from the collision, while the narrow beams show the bursts of gamma rays that are shot out just seconds after the gravitational waves.

A couple of seconds later, a brief burst of gamma rays were detected by an instrument aboard the Fermi Gamma - ray Space Telescope.