Sentences with phrase «detects radio waves»

The telescope detects radio waves that have been emitted by neutral hydrogen atoms.

NSF's Karl G. Jansky Very Large Array was the first to detect radio waves from the star collapse.

«Because the radio telescopes are placed far apart at sites all round the world, they detect the radio waves at different times,» explains Dr. Mikko Kotiranta, a researcher at Fraunhofer IAF.

One physicist who had faith in Maxwell, or at least in his equations, was Hertz, who performed experiments in his lab in Karlsruhe, Germany, that successfully produced and detected radio waves, eventually to be exploited by propagandists to spread a lot of illogical nonsense on talk radio.

ALMA detected radio waves with a wavelength of one millimeter emitted by cold molecular gas and dust, the ingredients of stars and planets, with a resolution of 23 milliarcseconds, which surpasses the resolution of the Hubble Space Telescope.

After the Fuzzbuster I's debut, radar detectors evolved with each advancement in law - enforcement technology and eventually were able to detect radio waves for X -, K -, and Ka - bands.

-LRB-(Both the size of your box and the size of the hole limits the wavelengths (you won't detect radio waves coming out of a microscopic hole, nor can you fit a radio wave into a microscopic box).)-RRB-

Both the size of your box and the size of the hole limits the wavelengths (you won't detect radio waves coming out of a microscopic hole, nor can you fit a radio wave into a microscopic box).

Not exact matches

If the signals come from a star, the source broadcasting the radio waves is very likely the first neutron star ever detected.

In 1974, scientists detected a heavy dose of radio waves emitted from the center of the Milky Way, about 26,000 light - years away.

Instruments that pick up other frequencies of the electromagnetic spectrum — radio waves or X rays, for instance — also can not detect the shadow universe.

Most cosmic outbursts generate radio waves, which radio telescopes can detect through the dustiest parts of space.

They are detected from Earth by the beams of radio waves that emanate from their magnetic poles and sweep across space as the pulsar rotates.

In 1974, astronomers Russell Hulse and Joseph Taylor detected a binary pulsar, a pair of two dead stars emitting pulses of radio waves.

Out in space, their chemical bonds spin and flex enough to emit radio waves we can detect.

Over time, that light's wavelength was stretched to several meters by the expansion of the universe, before being detected on Earth as radio waves.

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.

They detected the absorption of radio waves by gas clouds in front of bright radio sources.

Meanwhile, astronomers at the Very Large Array radio telescope in New Mexico were detecting the burst's radio - wave aftermath, another first.

The Milky Way's black hole, Sagittarius A *, is clearly sucking in hot gas because doing so makes it burp out radio waves that we can detect.

I borrowed one that could detect signals from 100 kilohertz (kHz), just below the frequency of long - wave radio stations, up to 3 gigahertz (GHz), somewhat above the 2.4 GHz portion of the spectrum used by Wi - Fi connections (see «Radio Ways,» beradio stations, up to 3 gigahertz (GHz), somewhat above the 2.4 GHz portion of the spectrum used by Wi - Fi connections (see «Radio Ways,» beRadio Ways,» below).

A gas cloud too diffuse to emit sufficient radio waves to be detected can still absorb enough radio waves to produce a detectable radio shadow.

And just as we can regard radio emissions as waves and not as photons because of their long wavelength, the gravitational waves that we detected were of sufficiently long wavelength that we could indeed regard them as waves.

One of the rare and brief bursts of cosmic radio waves that have puzzled astronomers since they were first detected nearly 10 years ago has finally been tied to a source: an older dwarf galaxy more than 3 billion light years from Earth.

MRI uses radio waves to create more detailed images, revealing bleeds, tumors and crude structural damage, but it can not detect broken nerves.

Three perytons in January coincided with independently detected blasts of 2.4 gigahertz radio waves — the same frequency

To detect micromestastases, Lu and his team used MRI imaging — which uses a magnetic field and radio waves to produce images — and combined it with a special chemical contrast solution.

Current detection methods just aren't sensitive enough, but a team at the University of Texas, Arlington, report this week in The Astrophysical Journal a method for detecting moons using radio waves.

Dark matter hitting black holes could be the source of some fast radio bursts — mysterious blasts of radio waves that come from billions of light years away, first detected 10 years ago.

An international team of astronomers led by Paulo Freire of the Jodrell Bank Observatory at the University of Manchester, United Kingdom, detected the gas by observing 15 millisecond pulsars — compact, rapidly spinning stars that emit bursts of radio waves with clockwork precision.

«This year, observers not only detected gravitational waves from a collision of two neutron stars; they also saw the event at all wavelengths of light, from gamma rays all the way to radio.

NASA's Fermi telescope has found the first pulsar that can be detected only by the gamma rays it emits — and not by lower - energy radio waves characteristic of most pulsars.

The report, «Advancing Astronomy in the Coming Decade: Opportunities and Challenges,» has been controversial: both the NSF's National Radio Astronomy Observatory and the NANOGrav Collaboration (which uses GBT as one of its telescopes to observe pulsars to detect gravitational waves) issued responses, and a public comment forum filled with debate over the telescope's future.

Specifically, they analyzed radio occultations — made when Voyager 2 sent radio waves through the rings to be detected back on Earth — and stellar occultations, made when the spacecraft measured the light of background stars shining through the rings, which helps reveal how much material they contain.

This was the first time electromagnetic radiation — light, gamma rays and radio waves — was detected from the same object that emitted gravitational waves.

When a patient is having a severe stroke, the brain's fluids will change, producing an asymmetry in the radio waves detected by the VIPS device.

It can detect the presence of people on the other side of a barrier by distortions to the reflected radio waves caused by their breathing or heartbeat.

As the object turns, the aurorae — shown in this artist's conception as a bright ring around the top pole — come in and out of view, altering the amount of visible light and radio waves astronomers detect.

They also discovered that a monthlong afterglow followed the event that could be observed with instruments used to detect optical frequencies, x-rays or radio waves.

Its three very high - frequency band radar sites in Texas, Arizona and Alabama ping the heavens with radio waves at wavelengths between 1 and 10 metres and their reflections enable us to detect objects down to the size of a basketball.

In fact, Strader's team detected no x-rays from the black hole systems, indicating they give off far more radio waves than x-rays.

A wisp of cosmic radio waves, emitted before our solar system was born, shows that a new radio telescope will be able to detect galaxies other telescopes can't.

The hydrogen atoms absorbed the background radiation, and it's this change that the new study was able to detect as radio waves.

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.

LIGO was the first to detect the signals as gravitational waves, before 70 observatories around the world joined in to watch the fireworks in the form of visible light, radio waves, X-rays and a gamma ray burst.

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.

In addition, because the atoms emit at a very specific wavelength, the scientists could detect the galaxy's rotation by tuning the telescopes» radio receivers to receive radio waves whose length has been changed by Doppler shifting.

To detect faint radio waves coming from 10 billion light years away in an extremely harsh environment at an altitude of 5000 meters, new breakthrough technologies are incorporated into ALMA by integrating high - efficiency receivers, high - speed computer, and high - precision antennas allowing high accuracy tracking.

In July, the Office of Naval Research made a survey in the waters off Virginia Beach, Virginia using ScanEagle UAVs to study the effect of oceanic and atmospheric changes on radar and radio waves, with the aim of improving military communications and the ability of radar to detect hostile craft..

The Robert C. Byrd Green Bank Telescope saw «first light» (that is, detected its first radio waves from space) at 7:00 p.m. EDT, Tuesday, August 22, 2000.