Sentences with phrase «emit radio waves»

The astronomers expect material falling onto a black hole to emit radio waves, among other types of radiation.
Because the molecules emit radio waves at specific frequencies, shifts in those frequencies caused by motions (called Doppler Shift) can be measured, revealing the direction in which the gas is moving relative to Earth.
A dusty disk like that in TW Hydrae tends to emit radio waves with wavelengths similar to the size of the particles in the disk.
Operating at a wavelength of 2 centimetres, it was used to study galactic and extragalactic objects that emit radio waves, such as quasars.
The electric fences corralling the animals emit radio waves that interfere with SETI work more than cellphones do.
Before hitting the atmosphere, charged particles also emit radio waves into space.
The discovery suggests that M22 hosts yet more black holes, because black holes without stellar partners wouldn't emit radio waves.
The scopes picked out thousands of these silicon monoxide clouds, which they liken to lasers because they emit radio waves as bright pinpoints.
When electrons and protons travel through Jupiter's magnetic field, it makes them spiral like a repetitive roller coaster, which causes them to scream (or, more scientifically, emit radio waves).
Just as the quartz crystal in a Swiss watch keeps time by vibrating at a steady frequency (about 32,000 cycles per second), the maser coaxes a supply of specially selected hydrogen atoms to emit radio waves at an unwavering 1.42 billion cycles per second.
These chips emit radio waves that the researchers can use to track the penguins» movements.
Still, detecting the faint dip was a challenge: Other cosmic sources, such as the Milky Way, emit radio waves at much higher levels, which must be accounted for.
Out in space, their chemical bonds spin and flex enough to emit radio waves we can detect.
18 Magnetic Resonance Imaging (MRI) machines generate a field 60,000 times as intense as the earth's to vibrate the hydrogen atoms in your body; in response, the atoms emit radio waves that are analyzed to produce a map of your insides.
At the center of the controversy are two blobs about 450 light - years apart that emit radio waves — light at the low - frequency end of the electromagnetic spectrum.
The galaxy is full of objects that emit radio waves, including black holes and stars of various kinds [5]
Those Singing Stars... Science has discovered that stars emit radio waves, which are received on earth as a high pitch.
The magnetar emits radio waves, and the shell makes them rotate.
CH3OH is normally produced on the surface of dust, but when the temperature increases by some process, it will be released from the dust surface and turn into gas which emits radio waves.
«Why space dust emits radio waves upon crashing into a spacecraft: A new simulation provides the first mechanism to explain why plasma from hypervelocity impacts generates electromagnetic radiation.»
This spinning star emits radio waves, which get rotated by the hole's magnetic field (Nature, DOI: 10.1038 / nature12499).
When a reader unit emits radio waves, every tag in the area responds by retransmitting the signal with a superimposed identification code.
The Mini-Helicon Plasma Thruster has only three basic parts: a tube holding compressed nitrogen; an antenna (a Coca - Cola can in the most recent prototype) emitting radio waves that ionize the gas; and magnets guiding the plasma.
«We worked with the hypothesis that a population of high - energy electrons already existed and would need only one last «push» to start emitting radio waves.
Four decades ago astronomy historian F. Richard Stephenson provided a crucial clue when he linked the 1181 blast to 3C 58, a nebula in Cassiopeia that emits radio waves.
«It clearly had become time to make a systematic study and try to find out just what percentage of brown dwarfs are emitting radio waves,» said Rachel Osten, an astronomer at the National Radio Astronomy Observatory (NRAO) in Charlottesville, Virginia.
To this end, Lovell first constructed a transit telescope 218 feet in diameter in 1947 which made the first detection of radio waves from the Andromeda galaxy and proved that astronomical objects from outside of our own galaxy emitted radio waves and could be detected.
Astronomers have discovered three brown dwarfs — enigmatic objects that are neither stars nor planets — emitting radio waves that scientists can not explain.
Some of this follow - up research will most likely «point a massive radio dish at the unusual star, to see if it emits radio waves at frequencies associated with technological activity.»
New Pokemon were also introduced: Dedenne, an Electric - and Fairy - type that emits radio waves from its antenna - shaped whiskers; Bunnelby, a Normal - type that somehow uses its large ears to dig and as weapons; and Skiddo, a Grass - type that evolves into Gogoat and can carry people on its back.

Not exact matches

Cohen has worked on an alternative system that would use live data on lightning strikes and the radio waves they emit to build a more resilient navigation system for the military that would be much more difficult to disrupt.
And then there are those that say monitors emit EMF radio waves which may cause health concerns.
When the atom drops from the higher to the lower energy state, it emits a photon, or light particle, in the form of a radio wave 21 centimeters long.
Now suppose that the 21 - centimeter radio waves from a hydrogen cloud were emitted when our universe was just 500 million years old.
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.
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.
A hidden or «choked» jet (white) powering a radio - emitting «cocoon» (pink) is the best explanation for the radio waves, gamma rays and X-rays the astronomers observed.
In 1974, scientists detected a heavy dose of radio waves emitted from the center of the Milky Way, about 26,000 light - years away.
The researchers observed FRB 150807 while monitoring a nearby pulsar — a rotating neutron star that emits a beam of radio waves and other electromagnetic radiation — in our galaxy using the Parkes radio telescope in Australia.
Parts of the string then emit low - frequency radio waves that accelerate the surrounding plasma into generating a burst of gamma rays.
Its size and distance from Earth were unveiled by mapping radio waves emitted from hydrogen gas (www.arxiv.org/abs/0906.0616).
Astronomers have known since 1968 that a pulsar — an ultradense neutron star left behind when the star's core collapsed — spins 30 times per second within the Crab's expanding cloud of debris, emitting a lighthouse beam of radio waves.
The observatory includes three radio telescopes for Very Long Baseline Interferometry (VLBI), which receive radio waves emitted by quasars.
The measurement comes from analyzing the only known pair of gravitationally bound pulsars, dense cores of dead stars that emit intense beams of radio waves with the regularity of a nearly perfect clock.
This image shows the supernova debris shell, expanded greatly over the millennia, will a telltale spiral structure caused by the wobbling jets striking the inside of the shell and causing radio waves to be emitted.
Radio waves emitted by cool hydrogen (third inset) trace a pool of gas left behind by the explosion and merger.
In 1974, astronomers Russell Hulse and Joseph Taylor detected a binary pulsar, a pair of two dead stars emitting pulses of radio waves.
Nearly 2 weeks later, the source began to emit x-rays and radio waves.
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 radio waves emitted by cellphones are reflected back to them in unique ways by hands — allowing gestures to be recognised.
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