Sentences with phrase «of radio pulses»

But he was not feeling so affectionate back then as he attempted to explain the peculiarly irregular timing of radio pulses from this city - size star: «It was really a lot of pain because the pulsar didn't want to fit any standard models.
If orientated properly, a hot spot above the magnetic pole of the neutron star may whirl in and out of view for observers on Earth, producing a regular train of radio pulses separated by anything from a few milliseconds to a few seconds.
These after - death planets can be detected because their gravitational pull alters the times of arrival of radio pulses from the neutron star, or «pulsar», that otherwise pass us by extremely regularly.
Understanding the two phenomena, which are both produced by interactions between charged particles and the planet's magnetic field, may help to explain the variations in the timing of the radio pulses and to shed light on Saturn's geomagnetic workings.
To add one plus one, the physicists used two of the carbon atoms and zapped them with a series of radio pulses.
Pulsar timing arrays (PTAs) monitor the arrival times of radio pulses from numerous pulsars to search for shifts caused by passing long - wavelength gravitational waves.

Not exact matches

Like a burst transmission of radio waves his entreaties shot out en masse, with Dietl pulsing with energy as he quickly accelerated to top take - de Blasio - out speed.
Romine says pulses of radio energy emanated by the smart meters damage the human body.
The shapes of observed radio and gamma - ray pulses are often quite different and some of the objects show only one type of pulse or the other.
Katelin Schutz, a theorist at the University of California, Berkeley, says that clarity could come even faster from stellar beacons called millisecond pulsars, which emit exquisitely regular pulses of radio waves.
Such tags, costing just a few cents, carry a small, non-powered chip that, when hit by radio waves from a nearby «reader,» converts some of the radio energy into its own radio pulse in return.
Last week, a scientific paper suggested that the powerful, milliseconds - long pulses of radio waves from space result when superdense burnt - out stars called neutron stars collide and perish in remote galaxies.
In 1974, astronomers Russell Hulse and Joseph Taylor detected a binary pulsar, a pair of two dead stars emitting pulses of radio waves.
True, astronomers still don't know the origins of these extragalactic milliseconds - long radio pulses, and until this year fewer than 20 had ever been detected.
The nebula contains a pulsar in its centre which rotates thirty times per second, emitting pulses of radiation from gamma rays to radio waves.
Astronomers see them as steady pulses of radio energy.
When a radio - frequency electric pulse is applied to one end of such a tube (Anderson and Alexeff use fluorescent lamps), the energy from the pulse ionizes the gas inside to produce a plasma.
A small antenna flips up to stand proud of the watch face, and transmits pulses of radio energy.
Paul Marks reports on the European SAVELEC consortium's system to disable the cars of uncooperative drivers by firing radio pulses...
These rapidly spinning neutron stars (the cores left behind after a massive star explodes) send out steady pulses of radio waves.
These rapidly spinning neutron stars flash regular radio pulses, and in an upcoming issue of The Astrophysical Journal astronomers say that the timing of such pulses could provide a new understanding of the 4 million solar mass black hole at the center of the Milky Way.
As radio telescopes turned a hopeful ear to the stars and optical telescopes kept their eyes peeled for an illuminated alien pulse, a cavalry of citizens armed with personal computers sorted through jumbles of data.
«We could use the individual FRB pulses of different brightnesses and durations to learn about the size and shape of asteroids in a belt around a star in another galaxy,» says Emily Petroff at the Netherlands Institute for Radio Astronomy.
Until recently, we had seen fewer than 20 of these milliseconds - long pulses of radio waves, and they have been attributed to everything from quasars to aliens.
Your process of elimination is fascinating: You initially considered that the pulse could be a satellite, radio interference, a signal bouncing off a corrugated steel building?
Fast radio bursts are brief, bright pulses of radio emission from distant but so far unknown sources, and FRB 121102 is the only one known to repeat: more than 200 high - energy bursts have been observed coming from this source, which is located in a dwarf galaxy about 3 billion light years from Earth.
For years, scientists have been puzzled by the pulsing intensity of radio emissions from the ringed planet.
Starting with an ensemble of spin - down nuclei, the researchers used a specially tuned radio - frequency pulse to make a sort of logic gate: if the electron's spin is down, the nucleus remains unaffected; if the electron's spin is up, the nuclear spin is flipped up as well.
In contrast to the variable radio waves of analog broadcasting, digital TV (or DTV) uses electrical pulses to transmit information precisely and efficiently.
The book's heroine, who works for SETI (Search for Extraterrestrial Intelligence), realizes with a frisson that the prime - number pulses her radio telescope is picking up must be generated by some form of intelligent life.
The high - power radar will illuminate particles in the upper atmosphere with short, high - energy pulses of radio waves.
The nuclei are then slightly disturbed using pulses of radio waves.
Among other achievements, his group has used the response of electrons to measure the electric field of a laser's ultrashort pulses and display the waveform, much like displaying a radio - frequency wave on an oscilloscope.
Coming from the direction of Sagittarius, the pulse of radiation was confined to a narrow range of radio frequencies around 1420 megahertz.
One indicator of inter-cloud lightning was the distinctive radio signal of TIPPs — Trans - Ionospheric Pulse Pairs.
For the first time, astronomers have pinpointed the location in the sky of a Fast Radio Burst (FRB), allowing them to determine the distance and home galaxy of one of these mysterious pulses of radio wRadio Burst (FRB), allowing them to determine the distance and home galaxy of one of these mysterious pulses of radio wradio waves.
The more waves we grab, the easier it is to catch all of the superfast on and off radio pulses of a pulsar.
These fast radio bursts (FRBs) are brief, bright pulses of radio emission from distant but unknown sources.
For the first time, astronomers have pinpointed the location in the sky of a Fast Radio Burst, allowing them to determine the distance and home galaxy of one of these mysterious pulses of radio wRadio Burst, allowing them to determine the distance and home galaxy of one of these mysterious pulses of radio wradio waves.
Radar pulses (short bursts of radio - frequency energy) emitted from a ground - based transmitter are reflected by a meteor's trail.
Although neutron stars were predicted in the 1930s, it was not until the late 1960s that observers accidentally discovered a radio source emitting weak pulses, each lasting about 0.3 second with a remarkably constant period of approximately 1.337 seconds.
That means if an FRB is detected by any of the world's radio telescopes, Vandenbroucke and his team can analyze IceCube data for that region of the sky at the time the radio pulse was detected.
We know very little about FRBs in general,» explains Justin Vandenbroucke, a University of Wisconsin — Madison physicist who, with his colleagues, is turning IceCube, the world's most sensitive neutrino telescope, to the task of helping demystify the powerful pulses of radio energy generated up to billions of light - years from Earth.
NANOGrav uses the Galaxy itself to detect gravitational waves with the help of objects called pulsars — exotic, dead stars that send out pulses of radio waves with extraordinary regularity.
But the antenna's detection of the first FRB — and the subsequent confirmed discovery of nearly two dozen more powerful radio pulses across the sky by Parkes and other radio telsescopes — has sent astrophysicists scurrying to find more of the objects and to explain them.
The radio pulses followed a numerical pattern, encoding a sort of «introduction to Earthlings» for aliens.
In the presence of the powerful magnetic field, the protons are susceptible to excitation by selective radio frequency pulses.
And with astronomers now on the lookout for the starnge pulses of radio energy, Vandenbroucke expects the pace of discovery to accelerate as the world's radio telescopes continue their searches and as new radio interferometers come on line.
In recent radio surveys at Parkes astronomers looking for new pulsars also found a new type of pulsed object since called Fast Radio Bursts (Fradio surveys at Parkes astronomers looking for new pulsars also found a new type of pulsed object since called Fast Radio Bursts (FRadio Bursts (FRBs).
If this beam of high - energy radiation is pointed toward Earth, these high - energy pulses can be detected using radio and gamma ray telescopes.
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