Sentences with phrase «radiation it emits in»

The gamma radiation emitted in the decay of its excited states was detected using the gamma ray spectrometer DALI2.
Unlike the subatomic crack - ups in particle accelerators, where the colliding particles fragment directly into their components, nothing that falls into a black hole — gas, stars, people — has a direct connection to the Hawking radiation it emits in the present.
Different MSU channels measure radiation emitted in distinct frequency ranges that correspond to different levels of the earths atmosphere.
But the the radiation emitted in space is again exactly the same, and so the «photosphere» (TOA defined by IR optical depth around one), what I understand being the «skin», is the same.

Not exact matches

And as a new study published in Health Physics recently explored, everyday foods and objects (yes, even the beloved avocado) emit a very small dose of radiation every hour.
They would have to emit electromagnetic radiation in the visible spectrum to be seen by the human eye.
He was thus forced to admit that radiation is emitted in bundles that are now called quanta.
The new (Cordless Anti-Radiation Environment) technology in the SmartNova Baby Monitor achieves the same clear and private communication, while emitting 97 % less radiation and no pulsing radiation.
Water with a little bit of tritium in it is often released from nuclear reactors, notes Gizmodo, and tritium in general (which emits a relatively weak form of radiation) is not dangerous unless it's ingested.
In addition to emitting visible light, the stars also gave off ultraviolet (UV) radiation, which split the neutral hydrogen it encountered into electrons and protons — ionizing it once again, and thereby launching what researchers call the «epoch of reionization.»
But in 1975, together with the Israeli physicist Jakob Bekenstein, Hawking showed that black holes slowly emit radiation, causing them to evaporate and eventually disappear.
The hydrogen atoms fuse together into heavier and heavier elements and in the fusion process the star emits radiation in the form of light, that is, energy.
THE EDITORS REPLY: Polonium 210 emits alpha radiation, which loses energy rapidly in the air and is blocked by clothing or by human skin.
As the black holes drew near in a deepening pit of spacetime, they also churned up that fabric, emitting gravitational radiation (or gravity waves, as scientists often call them).
It all began in the mid-1970s, when Stephen Hawking of the University of Cambridge showed theoretically that black holes are not truly black, but emit radiation.
The X radiation from both galaxies appears to be from 10 to 100 times stronger than the energy they emit in the form of light and radio waves.
Inside the greenhouse the visible light is absorbed by the plants and soil and is converted into heat, which is then emitted by the plants and soil in form of infrared radiation.
In 1903 French scientist René Blondlot added to the frenzy with his announcement of N - rays, a strangely democratic form of radiation emitted by wood, iron, living organisms — just about anything at all.
The researchers observed FRB 150807 while monitoring a nearby pulsar — a rotating neutron star that emits a beam of radio waves and other electromagnetic radiationin our galaxy using the Parkes radio telescope in Australia.
The researchers» interpretation is that the jet is «serpentine and inhomogeneous» because it emits radiation over a range of frequencies and from different zones, which change their orientation due to the instabilities in the jet, or to orbital motions.
Ever since Japan's battered Fukushima Daiichi reactor complex began emitting radiation in March, calls to abandon nuclear power have risen in the U.S. and Germany, among other countries.
The magnetic fields whip the charged particles in tight spirals, forcing them to emit x-rays in the form of synchrotron radiation.
In the 1970s Hawking introduced the concept of Hawking radiation — photons emitted by black holes due to quantum fluctuations.
Physicist Stephen Hawking determined in 1974 that black holes slowly evaporate over time, emitting what's known as Hawking radiation before eventually disappearing.
Although brown dwarfs have no nuclear fire in their belly, they are hot enough to emit infrared radiation, just like a human body.
The sentence marked with an asterisk was changed from «In fact, fly ash — a by - product from burning coal for power — and other coal waste contains up to 100 times more radiation than nuclear waste» to «In fact, the fly ash emitted by a power plant — a by - product from burning coal for electricity — carries into the surrounding environment 100 times more radiation than a nuclear power plant producing the same amount of energy.»
«This surprising finding may be an important clue to understanding those mysterious parts of the universe that make up 95 percent of everything and don't emit light, such as dark energy, dark matter, and dark radiation,» said study leader and Nobel Laureate Adam Riess of the Space Telescope Science Institute and The Johns Hopkins University, both in Baltimore, Maryland.
In the icy bodies around our solar system, radiation emitted from rocky cores could break up water molecules and support hydrogen - eating microbes.
As I was about to snag a free cashew - and - avocado smoothie, a fervent stranger accosted me, waving x-rays of tumors caused by cell phone radiationradiation, she said in an anxious tone, that my cell phone was emitting in my pocket right now.
Most SETI projects tune in to the 1.42 to 1.72 - gigahertz range, reasoning that alien astronomers might expect earthly scientists to be looking there anyway as this is the frequency of radiation emitted by interstellar hydrogen and hydroxyl clouds.
Although these stellar oddities emit radiation across the electromagnetic spectrum, observing in the X-ray band offers the greatest insights into these unusual, incredibly dense celestial objects, which, if compressed any further, would collapse completely into black holes.
The nebula contains a pulsar in its centre which rotates thirty times per second, emitting pulses of radiation from gamma rays to radio waves.
The actual data did not look like much, mostly line graphs showing the intensity of radiation emitted by the stars at various wavelengths, but the meaning hidden behind those numbers had us talking all at once, lost in the fever of discovery.
Properly done, all the atoms would emit radiation of identical wavelength with the waves in phase.
Early in their lives, the radiation they emitted was largely blocked by the thick veil of their host nebula, visible only to telescopes at infrared and radio wavelengths.
This event happens as the system emits gravitational radiation, tiny ripples in the fabric of space - time.
Niels Bohr had shown in 1913 that an atom's electrons occupy different energy levels, and that falling from a high energy level to a lower one emits radiation.
Since the discovery of Hawking radiation, physicists have thought that radiation would be emitted randomly, thus destroying any information encoded in anything that had fallen into the black hole — which, perplexingly, would violate a basic tenant of quantum mechanics.
Last October, the team observed the spectrum of radiation emitted by a star in the LMC as it brightened by a factor of five then dimmed again.
By taking the change in the black hole's spin, and her half of the Hawking radiation that is emitted after she drops the qubit, Alice can use the rules of quantum teleportation to work out the spin of the qubit she dropped into the black hole — and hence retrieve information from beyond the black hole's event horizon.
When a transmitter drives an oscillating current in an antenna electromagnetic radiation — which carries both power and signals away from the source — is emitted.
Crucially, since the artificial horizon can only trap photons in a certain range of wavelengths, it can only emit Hawking radiation in that range.
They then took a closer look at the spectrum of radiation emitted by each of these objects, using optical telescopes in Arizona and the world's largest radio telescope, the 305 - metre dish at Arecibo in Puerto Rico.
Stephen has made some of the biggest breakthroughs in this area, showing that quantum effects can allow black holes to emit radiation, so black holes are actually gray.
Black holes can also send stuff back out, emitting radiation that is, in a sense, plucked from empty space.
When the researchers placed the lattice in a vacuum heated to 1,250 degrees Celsius, they found that it converted radiation with an efficiency of 34 percent and emitted about 14 watts per square centimeter.
As brown dwarfs are nearly invisible in the optical light and only emit radiation in the IR regime, they exhibit different colors in that range.
The glow came from radiation emitted by an actively feeding black hole in the galaxy.
The ricocheting beam forces the atoms to emit additional radiation in phase with the passing light, amplifying the light intensity in the same way a well - timed whack speeds up a whirling tetherball.
The telescope — based at the US National Radio Astronomy Observatory (NRAO) in West Virginia — was tuned to a frequency of 1420 megahertz, the wavelength of radiation naturally emitted by hydrogen in space.
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