Sentences with phrase «radiation from»

In particular, one DOG (WISE1029 +0501, hereafter WISE1029) is outflowing gas ionized by the strong radiation from its supermassive black hole.

A group of scientists claim to have found a sign of radiation from the very first generation of stars, only about 180 million years after the Big Bang — just a blink of an eye to the cosmos.

No explanation has been found.18 Most big bang theorists assumed that radiation from the earliest stars and galaxies — after the universe had already expanded for hundreds of millions of years — was powerful enough to reionize the IGM.

The nebula glows because of the radiation from the intensely hot, class O star, Xi Persei which is the brightest star in this picture.

At right is a closeup of the two red spots through a 5 - micron filter, which samples thermal radiation from deep in the cloud layer.

The longwave radiation from the cloud - free atmosphere can only increase due to increasing surface temperature or due to increasing greenhouse gases, who additionally close the window.

Although radiation from Jupiter's magnetosphere would be harmful to life on Europa's surface down to a depth of a few centimeters, sunlight could sustain photosynthetic organisms beneath the ice to a depth of several meters.

One proposed way to carry out this method of geoengineering would have balloon - tethered pipe to pump sulfur aerosols into the stratosphere and block a portion of solar radiation from reaching earth [Read more on the Smithsonian website] Image Source: Wikimedia Commons, Hugh Hunt.

According to a popular scenario explaining the formation and evolution of galaxies and supermassive black holes, radiation from galactic centers — where supermassive black holes locate — can significantly influence the molecular gas (such as CO) and the star formation activities of the galaxies.

In the mid atmosphere, the excitiation from collisions and radiation from other greenhouse gas molecules is matched by the emission from the greenhouse gas molecules and their de-excitation by collisions, LTE.

The orbital speed is found from the doppler shifts of the 21 - cm line radiation from the atomic hydrogen gas.

But these estimates are rather different from that obtained from the Planck space telescope, which measured radiation from the cosmic microwave background.

With this Hoffmann discovered the far infrared radiation from the galactic center.

In 2001, the Wilkinson Microwave Anisotropy Probe (WMAP), a NASA spacecraft, began measuring the extremely uniform temperatures of the Cosmic Microwave Background (CMB) radiation from deep space.

The air then heats the dust which loses the heat to space through the blackbody radiation from the dust grains.

Grote was fascinated when he learned of Jansky's discovery in 1933 of radio radiation from the Milky Way.

Gas and dust clouds in 30 Doradus, also known as the Tarantula Nebula, have been sculpted into elongated shapes by powerful winds and ultraviolet radiation from these hot cluster stars.

The telescopes incorporate technologies that allow large, relatively thin mirrors, under active control, to collect and focus both visible and infrared radiation from space.

When two neutron stars collided on Aug. 17, a widespread search for electromagnetic radiation from the event led to observations of light from the afterglow of the explosion, finally connecting a gravitational - wave - producing event with conventional astronomy using light, according to an international team of astronomers.

In follow - up observations from Kitt Peak National Observatory and the Lick Observatory, his team found 20 galaxies that had gas that was ionized by radiation from a quasar, rather than from the energy of star formation.

New Hubble telescope images show ultraviolet radiation from stars born during the universe's adolescent phase.

Lee Smolin of the Perimeter Institute for Theoretical Physics noted that some forms of quantum gravity predict certain asymmetries — one direction of polarization might be favored over another — that could be imprinted in the cosmic microwave background (CMB), a faint echo of radiation from the early universe.

(Phys.org)-- Astrophysicists at UC San Diego have measured the minute gravitational distortions in polarized radiation from the early universe and discovered that these ancient microwaves can provide an important cosmological...

The ozone layer acts as Earth's sunscreen by absorbing harmful ultraviolet radiation from incoming sunlight that can cause skin cancer and damage plants, among other harmful effects to life on Earth.

«It's possible the black hole is creating winds that help the ionizing radiation from the stars escape.

Water could exist on Proxima b, but the planet's surface (imagined here) may be blasted by radiation from its flaring red sun.

These systems are especially important when our cells are stressed — for example, when we are exposed to extreme temperatures or UV radiation from the sun — as quite a lot can go wrong if cells are unable to respond to environmental stressors.

The hydrogen is evaporating from the planet due to extreme radiation from the star.

Here, the bright orange lanes have been whittled away by ultraviolet radiation from the star, turning them into knots with cometlike tails.

The good news is that iodine - 131 has a half - life of only 8 days, so any radiation from the Fukushima plant will be gone from the water within a couple of months once the leaks are stopped.

When the radiation from this object hit the gas cloud, it excited oxygen atoms, causing the cloud to glow green.

Nevertheless, the idea that energy couldn't be split infinitely many times — that there was an indivisible quantum of energy — was the only way he could fit the observed spectrum of radiation from a hot body to a mathematical law.

Like polarized light (which vibrates in one direction and is produced by the scattering of visible light off the surface of the ocean, for example), the polarized «B - mode» microwaves the scientists discovered were produced when CMB radiation from the early universe scattered off electrons 380,000 years after the Big Bang, when the cosmos cooled enough to allow protons and electrons to combine into atoms.

The hydrogen is evaporating from a warm, Neptune - sized planet, because of the extreme radiation from the star.

«They show that the ultraviolet radiation from the chromosphere is highly suitable for visualizing detailed structures and processes.»

The air holds less oxygen, there's more harmful ultraviolet (UV) radiation from the sun, and food supplies vary dramatically from season to season.

Thidé, Tamburini and others recently showed how this detection scheme, carried out using radio telescopes, could identify the tell - tale twisted radiation from spinning black holes (see «How to spot a spinning black hole»).

The hue may be formed by radiation from space splitting molecules in the planet's clouds, which then combine to form red compounds.

A jet of gamma radiation from a star halfway across the universe scored a direct hit on Earth last March.

Detecting the cosmic 21 - centimeter signal is notoriously hard, as it is swamped by radiation from our own Milky Way galaxy.

At that time, an obscuring fog of neutral hydrogen atoms was being burned off by radiation from the first stars and galaxies, and possibly also from the annihilation of dark matter particles.

Unlike ozone in the stratosphere, which benefits life on Earth by blocking ultraviolet radiation from the Sun, ground - level ozone can trigger a number of health problems.

The escape fraction of the radiation from the brightest H II regions is on the order of 3 % and is highly spatially variable.

The solution is for the probe's sail to be redeployed upon arrival so that the spacecraft would be optimally decelerated by the incoming radiation from the stars in the Alpha Centauri system.

Astrophysicists at UC San Diego have measured the minute gravitational distortions in polarized radiation from the early universe and discovered that these ancient microwaves can provide an important cosmological test of Einstein's theory of general relativity.

The distinctive blueish colour of this rather mysterious object is again created by radiation from the hot star — this time by ionising oxygen instead of hydrogen.

Due to lingering radiation from the 1986 meltdown of the Chernobyl nuclear power plant, humans aren't allowed to live there — but the region has become an accidental ecological testing ground for scientists interested in studying the effects of radiation on wild animals.

Although ethylene (or ethene) is best known as a plant hormone, humans also produce it as consequence of oxidative stress, caused for example by the UV radiation from the sun.

Now, a team of scientists of the University of Cambridge, the UK Met Office and CIMMYT (International Maize and Wheat Improvement Centre) have adapted modelling systems previously used to forecast, ash dispersal from erupting volcanoes and radiation from nuclear accidents (NAME), to predict when and how Ug99 and other such strains are most likely to spread.

That's why advocates have pushed for a «Europa Clipper» concept that would spin around the moon in multiple flybys, rather than calling for an orbiter — a more difficult and expensive mission that would subject the spacecraft to much greater doses of radiation from Jupiter.