Sentences with phrase «emit x-rays»

The metal will emit X-rays and irradiation by an X-Ray beam is used, and then depending on the intensity level of the X-ray the assayer can then judge the metal.

Don't forget that scientists have wondered at lightning's ability to emit x-rays for many years now.

Black holes can't be observed directly, but the heated gasses surrounding them can, as they emit X-rays.

Some emit X-rays, or show other telltale evidence of their presence, when they capture nearby material.

Neutron stars and accretion disks around black holes emit X-rays, which enable us to study them.

Interestingly he does discuss uranium, but not as a fuel (he thinks it would maybe emit X-rays if he shot high energy electrons at it).

The early X-ray laser relied on one intense burst of energy to both ionise a metal foil and excite the ions so that they emit X-rays.

He finds that most cosmic rays come from well - known objects that produce other forms of radiation, too — black holes emit X-rays, for instance, and supernovas glow with visible light.

The undulators wiggle the electrons, causing them to emit x-rays.

Nearly 2 weeks later, the source began to emit x-rays and radio waves.

Some of the first machines ever built to emit X-rays have been given a taste of their own medicine - and these ghostly images are the result

For thousands of years the expanding gases are so hot they emit X-rays.

The magnetic fields whip the charged particles in tight spirals, forcing them to emit x-rays in the form of synchrotron radiation.

The paper makes a compelling case that the protostar is the youngest ever seen to emit x-rays, says astrophysicist Norbert Schulz of the Massachusetts Institute of Technology in Cambridge.

The small red circles denote other objects that emit X-rays, like neutron stars or white dwarfs, that are found scattered around more of the galaxy.

A new image of the globular cluster 47 Tucanae, shows a clusters of stars with some interesting properties: emitting X-rays and being super bright.

«The most massive, hottest stars can form, grow, swell, explode and leave a neutron star emitting X-rays in about 5 million years.»

Isolated black holes emit no light, but black holes stealing material from orbiting stars will heat that material until it emits X-rays.

As a star orbits the black hole, it slowly sheds some of its material and emits X-rays.

That gas, swirling and plunging into the gravitational pit, becomes so hot it emits X-rays — a lot of X-rays.

Today the Brookhaven National Lab turned on their new National Synchrotron Light Source II and saw its first emitted x-ray photon!

The potent mutual attraction that holds together huge clusters of galaxies traps hot gas that feverishly emits X-rays.

In the case of Tycho's supernova remnant, astronomers have discovered that a reverse shock wave racing inward at Mach 1000 (1000 times the speed of sound) is heating the remnant and causing it to emit X-ray light.

And some of those iron atoms would thereupon fluoresce, emitting X-rays of their own — not over the whole band this time but at a single precise line in the energy spectrum: 6.4 kilo - electron volts, which is the energy an electron loses when it falls from one shell in an iron atom to a lower one.

Researchers tried to pin the gamma rays on some object they already knew — something that emitted X-rays, radio waves, or visible light — but for a long time they failed.

For 2 decades satellite observations have shown that Jupiter emits x-rays from somewhere near its poles.

After being hit with laser beams, a small plastic pellet (sunlike object) emits x-rays, some of which bombard a pellet of silicon (blue and purple).

The system is called an X-ray binary because it emits X-rays as material from the companion star spirals onto the much denser neutron star and is heated to very high temperatures.

The binary star system was emitting X-rays, which are not usually produced by blue supergiants.

The team screened distant galaxies for red objects that also emitted X-rays.

Specifically, the most energetic iron emission they studied is characteristic of so - called x-ray binary starsduos comprised of a dense stellar object such as a white dwarf star, a neutron star or a black hole that collects matter from a less dense companion, emitting x-rays in the process.

The instrument he sought there was not a telescope, but rather a new kind of laser, more than 3,500 feet long and capable of emitting X-rays a billion times brighter than anything ever generated on Earth.

IC 2497's core shows no sign of emitting X-rays.

Other stellar - mass black holes — such as the one in Cygnus X-1, the first black hole found — came to attention because hot gas swirling into the black holes emits x-rays.

It emits X-rays.

The disk becomes so hot it emits X-rays, and also spits out «jets» of subatomic particles at nearly the speed of light.

Observations made through NASA's Chandra X-ray Observatory revealed Pluto emits X-rays.

At right, the jet can not punch out of the shell of explosion debris, but instead sweeps up material into a broad «cocoon,» which absorbs the jet's energy and emits X-rays and radio waves over a wider angle.

Friction in the accretion disk creates temperatures hot enough that the material emits X-rays, and magnetic processes are believed to accelerate the material in the jets we see in radio waves.

Not exact matches

These fluctuations correspond neatly to the 11 - year solar cycle, in which the Sun's rotation gradually winds up its magnetic field into contorted coils, giving rise to flares and sunspots that emit ultraviolet and X-ray light.

A hidden or «choked» jet (white) powering a radio - emitting «cocoon» (pink) is the best explanation for the radio waves, gamma rays and X-rays the astronomers observed.

It orbits an enigmatic thing that emits a stream of X-rays.

X-ray emitting coronal links interconnect active regions.

It could be a «microquasar» — a black hole feeding on gas from a nearby star — but the X-rays typically emitted from such objects are absent.

But they give themselves away when material they feed on emits high - energy X-rays that NASA's NuSTAR (Nuclear Spectroscopic Telescope Array) mission can detect.

Ideally, the electron gains so much energy in the laser field that upon impact with the atom, a much shorter flash of light with very high energy is emitted — an attosecond laser pulse, with a frequency in the ultraviolet - or x-ray regime.

Neutron star collisions are expected to emit bright jets of material, creating X-rays that fade quickly.

The loop contractions are triggered at the same time as the flare begins emitting intense X-rays and microwaves.

Within a few days, batse researchers had determined that the second signal was from a pulsar — a neutron star emitting a continuous beam of X-rays from its magnetic poles.

The trouble is that most such transitions within the nucleus emit high - energy X-rays or gamma rays, and these are tough to work with.