Sentences with phrase «radio wavelengths»

Thus perhaps for only a century out of billions of years do planets such as the earth appear remarkably bright at radio wavelengths.

These jets, which astronomers can detect in radio wavelengths, could also heat up gas in outer regions and shut down star formation there.

Light from the galaxy is absorbed by the dust, emitted as infrared, and stretched to radio wavelengths as the universe expands.

The radio emission rose and fell several times, and the relative intensity at different radio wavelengths also changed.

Thus, the team set out to study radio wavelengths.

But it leads to pressure for bandwidth at radio wavelengths.

High levels of solar activity enhance radiation in UV and X-ray wavelengths, and in radio wavelengths, far more than in the visible portion of the spectrum.

A light that started out blue would shift to red, then to infrared, then to radio wavelengths as it approached the event horizon.

The colors represent the burst arriving at different radio wavelengths, with long wavelengths (red) arriving several seconds after short wavelengths (blue).

But the measurement is tricky, and researchers had hoped that studying radio wavelengths would give a more precise result.

Fortunately, astronomers have been able to use longer radio wavelengths that are not absorbed by the obscuring dust and radiowave - emitting molecules like carbon monoxide (which are concentrated in the spiral arms) to trace the spiral disk's structure.

Now, the same approach could be applied to radio wavelengths used in telecommunications

The Atacama Large Millimeter / submillimeter Array (ALMA) observes the Universe over a range of radio wavelengths within the millimetre and submillimetre region of the electromagnetic spectrum.

The high - altitude locale 5,000 meters above sea level will enable the ALMA's 12 - meter - wide dishes, at least 50 of them, to probe the shorter radio wavelengths near the infrared that the atmosphere tends to filter out.

A new radio telescope array operating at the Owens Valley Radio Observatory in California has the ability to image the entire sky simultaneously at radio wavelengths with unmatched speed, helping astronomers to search for objects and phenomena that pulse, flicker, flare, or explode.

Ronald, I hadn't known about TYCHO Brahe until you mentioned him, it was JOHN H NELSON that cracked the planet / sunspot connection code in the 1950's while solving the shortwave radio wavelength problem.

The main topics of the workshop will include the multiwavelength properties of these objects from radio wavelengths -LSB-...]

To bring some order to the growing number of broadcasters who were appropriating their own radio wavelengths, or frequencies, the government created the Federal Radio Commission.

There are many powerful radio wavelength transmitters now in orbit and more are planned.

And the lack of any observed afterglow at optical or radio wavelengths suggests the burst may have exploded into empty space — afterglows are caused by matter from the burst ramming into surrounding gas.

This campaign includes observations from spacecraft near or orbiting the Earth, covering X-ray through visible wavelengths and ground - based observatories covering near - infrared through radio wavelengths.

«Young pulsars are particularly rare, and being able to study such a young one at radio wavelengths provides an outstanding opportunity to learn critical facts about their evolution and workings.»

Such radio wavelength is long enough to penetrate interstellar dust and so can be detected from all parts of the Galaxy.

«We expected the burster to act at radio wavelengths much as it does at X-ray and visible wavelengths — that is, rise in brightness, then slowly become weaker,» said Dr. Dale Frail of the National Radio Astronomy Observatory (NRAO).

Three - dimensional, fully relativistic magnetohydrodynamics (3 - D GRMHD) computer simulations predict the observational appearance of such disk and jet scenarios at various radio wavelengths.

After studying VLA and Keck data on 26 galaxies and quasars, Wardle, Perley and Cohen conclude that «the observational data at both optical and radio wavelengths show that any rotation of the plane of polarizaton over cosmological distances is unmeasurably small and is indistinguishable from zero.»

Astronomers have taken the sharpest image yet of the sky at very long radio wavelengths.

The magnetic field of the disc would cause some axions to decay into individual photons that are then seen on Earth as a fast radio burst (FRB), reaching us at the lower energies of radio wavelengths.

Astronomers discovered the supernova remnant in radio wavelengths in 1981, in visible light in 1987, and only recently in X-ray.

By contrast, WatchStander's radar uses shorter radio wavelengths, allowing it to see smaller objects.

For example, Japanese astronomers observing an object in the optical part of the spectrum on Japan's Subaru telescope might also need to observe it in radio wavelengths with the SKA to fully understand a certain phenomenon.

They have about the same power at all of the wavelengths down to the microwave wavelengths (shortwave radio wavelengths).

The main topics of the workshop will include the multiwavelength properties of these objects from radio wavelengths to gamma rays, their role in AGN evolution, their relationship to other classes of AGN, and their place in the framework of AGN unified models.

This artist's impression represents the burst in different radio wavelengths: blue is a shorter wavelength, red is longer.

But as public, we are not only profligate with visible light — we generate prodigious amounts of noise at radio wavelengths as well.

The parallel sheets of incoming and outgoing current force the electrons to emit coherent, laserlike radiation at radio wavelengths as they spiral along the planet's magnetic field lines, Ergun says.

Rampadarath explains: «Comparing the VLA images at radio wavelengths to Chandra's X-ray observations and the hydrogen - emission detected by Hubble, shows that features are not only connected, but that the radio outflows are in fact the progenitors of the structures seen by Chandra and Hubble.

Electrons, accelerated close to the speed of light, interact with the magnetic field of the interstellar medium and emit energy at radio wavelengths.

Because you have to use a radio wavelength that is smaller than the dimensions of the object you are trying to locate, radar relies on high - frequency waves, just a few inches long (higher frequencies have shorter wavelengths).

A broader mix of radio wavelengths (bottom inset) reveals two giant jets of hot gas streaming from the center.

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.

Over the past 50 years or so, we have learnt how to observe the Universe at radio wavelengths.

Charged particles striking Saturn's upper atmosphere ionize hydrogen atoms and produce infrared radiation, whereas related processes also give off Saturnian auroras at ultraviolet and radio wavelengths.

As it accretes mass from its surroundings, this cosmic monster produces immensely powerful jets of high - energy particles, that in turn give rise to the characteristic lobes of emission seen at radio wavelengths, making NGC 1316 the fourth - brightest radio source in the sky [2].

A radio galaxy is a galaxy that shines brightly at radio wavelengths.

A light that started out blue would shift tored, then to infrared, then to radio wavelengths as it approached theevent horizon.

Her research interests include structure, interactions, and star formation in galaxies in the local universe and at high redshift, and she observes in optical, near - infrared, and radio wavelengths.

The galaxy Messier 77 (M77) is famous for its super-active nucleus that releases enormous energy across the electromagnetic spectrum, ranging from x-ray to radio wavelengths.

These so - called relativistic jets produce strong emission at radio wavelengths.