Sentences with phrase «energy radiation»

Solar flares are brief, rapid bursts of high - energy radiation emitted by the sun.

So is the time lag due to the high - energy radiation travelling slower through space?

This stratospheric ozone layer prevents the Sun's harmful, high - energy radiation from reaching Earth's surface.

Thanks to its closeness to Proxima Centauri, the planet also receives 100 times as much high energy radiation as Earth, in the form of ultraviolet light and x-rays.

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.

They don't have to be scientists to understand that the higher energy waves of visible light from the Sun can penetrate through CO2, H2O, CH4, NOZ etal in the atmosphere, but the lower energy radiation of infra - red waves, from Earth's surface, have problems getting back out through these molecules, and a new energy balance has to be established in the form of rising temperature.

The barrier, which comes and goes, is the result of very low frequency radio communications interacting with particles in space, which results in a sort of shield protecting Earth from high energy radiation in space.

«A number of experiments and observations have figured out that, under the right conditions, radio communications signals in the VLF frequency range can in fact affect the properties of the high - energy radiation environment around the Earth,» explained Phil Erickson, assistant director at the MIT Haystack Observatory in Westford, Massachusetts.

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.

«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.

Resume: The demand for large area high - energy radiation detection systems combining high sensitivity and low - cost fabrication, has pushed the research in the last ten years to develop and design both novel materials and device geometries.

Research published in 2008 by Arizona State University professor Peter Crozier suggests that this nanoscale atmospheric aerosol species is abundant in the atmosphere over East Asian countries and should be explicitly included in models of radiative forcing (the gap between energy radiation reaching the Earth and that leaving through the upper atmosphere).

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.

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.

Chloroplasts alone absorb light only from the visible portion of the solar spectrum, allowing access to only about 50 % of the incident solar energy radiation, and less than 10 % of full sunlight saturates the capacity of the photosynthetic apparatus.

«For example, on the moon, there are additional hazards from neutrons that are created by high - energy radiation interacting in the lunar soil and radiating outward from the surface.»

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

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.

When high - energy radiation generated by matter falling into a black hole dislodges an inner electron from an iron atom, an outer electron drops to the unoccupied orbital and emits an x-ray photon at the K - alpha wavelength.

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

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.

So they analyzed 14 other combustibles with a high - energy radiation probe, a supersensitive machine that can pick apart the chemistry of fire.

First, the coauthors compared the Fermi findings to intensity of X-rays from the same blazars measured by X-ray satellites Chandra, Swift, Rossi X-ray Timing Explorer, and XMM / Newton and lower - energy radiation measured by other spacecraft and ground - based observatories.

VAN ALLEN BELTS «Our planet is ringed by a region to be exact, two regions of high - energy radiation extending many thousands of miles into space.

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

However, their low atomic number strongly limits the high - energy radiation absorption and, blending the organic solution with high Z nanoparticles2, 3 is necessary to maximize their radiation absorption.

Radiation therapy (RT) uses high - energy radiation rays to treat cancer cells.

So while it's true that organisms living deep in the Earth are not exposed to the high - energy radiation found when you travel between planets or more hypothetically between stars, the systems that cells have evolved to repair damage done by reactive oxygen species will be useful whether they arise from rocks or from cosmic rays.

Closely by this feature is the apparently brightest of the stars associated with the Lagoon Nebula, 9 Sagittarii (mag 5.97, spectral class O5), which surely contributes a lot of the high energy radiation which excites the nebula to shine.

As the US space agency announced on Wednesday, the Van Allen space probes have detected a new, artificial bubble surrounding Earth that was the result of the interplay between very low frequency (VLF) radio communications and high - energy radiation particles.

Until recently, radio astronomers have concentrated almost exclusively on the high - energy radiation streaming in towards Earth from exotic stellar bodies like pulsars,...

High - energy radiation injures cancer cells» DNA.

The NCAR scientists now state these satellites still see there is more energy radiation entering the upper atmosphere than leaving it, in whatever part of the spectrum.

The thought experiment only considers energy radiation.

Tags for this Online Resume: Cell Culture, • Molecular Biology Techniques, Clinical Research, • Western Blot., ELISA, animal model studies, Utilization of high energy radiation sources for biological studies, Transfection

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.

synchrotron radiation The term given to the high - energy radiation emitted as charged particles, such as electrons, accelerate to nearly the speed of light while traveling in a curved path.

The high - energy radiation environment created by the star during this youthful phase can deplete a planet's atmosphere, essentially causing its constituent particles to be lost to space.

SDSS J1030 +0524 is believed to be a supermassive black hole with an accretion disk of gas and dust and emitting bi-polar jets of high - energy radiation such as gamma and x-ray photons (more illustrations).

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

The demand for large area high - energy radiation detection systems combining high sensitivity and low - cost fabrication, has pushed the research in the last ten years to develop and design both novel materials and device geometries.

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.

When an object has the misfortune of getting trapped in a black hole's gravitational well, massive tidal forces acting on it stretch it vertically through a process known as «spaghettification» — a process that culminates in an enormous burst of high - energy radiation as the object is swallowed by the black hole.