Sentences with phrase «of high energy radiation»

These brief, blinding flashes of high energy radiation apparently originate from the farthest corners of the Universe, but the mechanism that produces them is currently beyond our comprehension.

Not exact matches

I could sit here and point out how stupid you are for believing in science, a group of people that once believed the Earth was flat as early as a few hundred years ago, or believed that bleeding someone out was the best way to cure the flu... or as early as the 40's and 50's that it was okay for people to drink water with high levels of radiation because it would give you energy and cure what ails ya.

These include the products of radioactive decay, cosmic rays (the highest - energy form of electromagnetic radiation known to man), and the stellar wind, a stream of particles that fly out from any star as it continuously burns.

The researchers mimicked cosmic - radiation exposure by briefly bombarding the brains of lab mice with high - energy particles.

Two pulsars, Geminga and Monogem, are seen in this image in gamma rays, high - energy radiation produced when positrons and electrons collide with particles of light.

Taken with the orbiting Chandra Observatory, it shows the hottest, most violent objects in the galaxy: black holes gobbling down matter, gas heated to millions of degrees by dense, whirling neutron stars, and the high - energy radiation from stars that have exploded, sending out vast amounts of material that slam into surrounding gas, creating shock waves that heat the gas tremendously, generating X-rays.

Among the advances that have already been made are linear accelerators that generate higher - energy radiation beams, and more versatile patient tables that enable radiation doses to be delivered to the tumor from a variety of angles and directions.

The flashes are known as gamma - ray bursts because most of their energy is in the form of high - energy radiation, including gamma rays and X-rays.

Instead of relying on light waves emitted by electrons, it would use radiation emitted when the nucleus is excited to a high energy state, and then drops into a lower energy state.

But Yohkoh could not detect the most energetic — and short - lived — forms of radiation: high - energy X-rays and gamma rays.

The country's newest space lab, Tiangong - 2, for example, hosts a number of scientific payloads, including an advanced atomic clock and a $ 3.4 - million detector called POLAR for the study of γ - ray bursts — blasts of high - energy radiation from collapsing stars and other sources.

When a giant star explodes as a supernova, it can outshine its own galaxy as it dishes out heat, X-rays, and the highest - energy radiation of all, gamma rays.

The hot young stars in this image are no more than two million years old and are blasting out streams of high - energy radiation.

Belts of high - energy radiation and charged particles encircle the planet — belts that are not friendly to spacecraft electronics.

«In the low earth orbit, the high level of exposure to radiation, the extreme temperature fluctuations and the low energy supply are just as great obstacles to overcome.

Gamma - ray bursts are mysterious flashes of intense high - energy radiation that appear from random directions in space.

The supernova explosions that create and spread heavy elements also unleash a torrent of high - energy radiation: gamma rays, X-rays, and ultraviolet light.

Many smart phones, for example, put out higher levels of radiation, and the use of wired headsets can decrease the amount of energy emanated near the head.

They can also be used for biological labeling because of their low toxicity, chemical stability, and intense luminescence when excited by near - IR radiation, which can penetrate tissue much better than higher energy radiation such as ultraviolet, as is often required with quantum dot labels.

It wasn't for lack of interest: since their discovery in the late 1960s, these brief flashes of high - energy electromagnetic radiation have been one of the enduring mysteries of astrophysics.

This calculation method enabled us to more accurately perform theoretical prediction of IMFP compared to the experimental value, which was obtained by applying spectrometry (extended X ‐ ray absorption fine structure spectrometry) to low - speed electrons of Copper and molybdenum at the high - brilliant synchrotron radiation facility, and to explain the relationship between energy measurement and the types of materials.

NASA might choose to extend it, but the spacecraft could still succumb any day to the intense radiation from the deadly halos of high - energy particles trapped around the planet by magnetic fields.

But Alex Dessler, a space physicist at the University of Arizona, Tucson, says the same area of the planet also produces unusual radio signals, flares of ultraviolet light, and high levels of infrared radiation and even seems to be correlated with a patch in Jupiter's magnetosphere that pumps out high - energy electrons.

When an electron goes from the higher energy level to the lower it emits radiation of a precise frequency.

In one of the two species tested, 68 % of specimens that were shielded from higher - energy radiation from the Sun were revived within 30 minutes of being rehydrated.

Researchers at the Max Planck Institute for Physics in Munich and the University of Geneva have now succeeded in localizing the origin of the high - energy gamma radiation in such a jet: it apparently originates very close to the black hole.

The high - energy cosmic neutrinos detected by IceCube are believed to originate from cosmic - ray interactions with matter (proton - proton interactions); from cosmic - ray interactions with radiation (proton - photon interactions); or from the decay or destruction of heavy, invisible «dark matter.»

It sent a flood of high - energy radiation towards Earth that lasted much longer than is typical for a gamma - ray burst (GRB).

In active regions, where temperatures can reach millions of degrees, massive eruptions on the surface called flares spew out charged particles and high - energy radiation.

Researchers have identified a burst of high - energy radiation known as «dark lightning» immediately preceding a flash of ordinary lightning.

If so, whenever dark particles collide, they would release a burst of high - energy radiation.

The dose of high - energy particles resembled the radiation likely to pass through the unprotected hull of a spaceship over the course of a mission to Mars, Limoli says.

They found that the disk of debris around the black hole smothers all but the highest energy radiation and thus renders the black holes undetectable by optical telescopes.

But the high - energy radiation from the source has shown no sign of dying down, which suggests that astronomers may have caught a star in the process of being ripped to shreds by a black hole.

Intense flashes of high - energy radiation appear unpredictably in the sky.

«Every interaction of high - energy radiation with tissue results in the generation of electrons.

On the other hand, ionizing radiation such as x-rays and the used in CT scans or gamma - ray Mammograms do have enough power to change matter, because the wavelength is low and of high energy.

In rare cases, black hole births are even more spectacular, with the star firing out powerful jets of high - energy radiation as it dies — a phenomenon known as a gamma - ray burst.

Sunlight contains low - energy photons (infrared light) and high - energy photons (sunburn - causing ultraviolet radiation), as well as all of the visible light in between.

A group of astrophysicists has located two massive bubbles of plasma, each extending tens of thousands of light - years, emitting high - energy radiation above and below the plane of the galaxy.

The radiation might not come from radioactive materials on the planet itself, but rather from galactic cosmic rays (GCRs)-- high - energy particles that careen through the universe after being flung out of a supernova.

Demolishing stars, powering blasts of high - energy radiation, rending the fabric of spacetime: it is not hard to see the allure of black holes.

Researchers would fire the accelerator's speeding electrons through an undulator — a contraption to make them zigzag — and their undulations would emit high - energy radiation in the form of X-rays.

In the new study, Charles Hailey, an astrophysicist at Columbia University, and his colleagues scrutinized the past dozen years of data gathered by the Chandra X-ray Observatory, an orbiting craft whose instruments are designed to detect high - energy radiation emitted by the immensely hot material surrounding exploded stars and near black holes.

If the first stars were indeed rapid spinners, they are likely to have ended their lives with a huge Gamma Ray Burst (GRB), producing an enormous flash of high - energy radiation.

In the space outside of Earth's magnetic shielding, astronauts will be vulnerable to the Sun's periodic belches of plasma and high - energy radiation.

These rapid changes in the magnetic field cause flares, which release a huge amount of energy in a very short time in the form of super-heated plasma, high - energy radiation and radio bursts.

The results agree with another potential glimmer of dark matter: a glut of high - energy radiation, known as gamma rays, seen in the center of the Milky Way.

High - energy blips of radiation known as gamma rays seem to be streaming from the center of the Milky Way in excess.

In this artist's rendering, jets of high - energy radiation shoot out from a Gamma - ray burst, signaling the death of a massive star.