Sentences with phrase «dense gas»

But current numerical simulations of how galaxy clusters form suggest they should be in areas with much hotter and less dense gas.

The continuum is from the hot dense gas and the absorption lines are from the lower - density surface of the expanding cloud.

With the unique combination of angular resolution (6.5 — 9 arcseconds), sensitivity, and field of view of the GBT, Argus is being used for ground - breaking surveys of dense gas in galaxies and nearby star - forming regions.

This image, which is part of the DEGAS study of dense gas in nearby galaxies, shows the power of the GBT for observations of extended objects beyond our Galaxy.

Stars form in dense gas clouds.

The ATLASGAL survey took advantage of the unique characteristics of the telescope to provide a detailed view of the distribution of cold dense gas along the plane of the Milky Way galaxy.

The increased sensitivity and improved resolution of the EVLA will let scientists peer deep into star - forming clouds and spy on protoplanetary disks of dense gas surrounding young stars as well as track supernovae, fast - moving neutron stars and black holes, McKinnon says.

However, when the solar system passes through very dense gas and dust clouds, the heliosphere can shrink until its edge is inside Earth's orbit.

The quasars are embedded in a giant nebula of cool dense gas visible in the image as a blue haze.

That forces low - flying objects like Tiangong - 1 to plow through denser gases.

These observation results were published as Izumi et al. «Do Circumnuclear Dense Gas Disks Drive Mass Accretion onto Supermassive Black Holes?»

We think these are caused by dense gas clouds becoming separated from lower density gas.»

Left panel shows the star and three dense gas condensations system.

What is different about the Cloverleaf is the huge quantity of dense gas along with very powerful infrared radiation from the star formation.

The analysis, reported in the 10 August issue of the Astrophysical Journal, showed that cool, denser gas inside the spot sank into the sun at about 5000 kilometers per hour.

The chief actor in their makeshift tale has been gravity: A clump of relatively dense gas in the center of a cloud drags in on top of itself more of the cloud, making the center a bit more dense.

A supernova shock wave is like a snowplow pushing through the interstellar medium, pushing the more dense gas out, says Gehrels.

Dynamic Modeling of a Solar Receiver / Thermal Energy Storage System Based on a Compartmented Dense Gas Fluidized Bed

As the wind blows, denser gas lumps start to separate from the surrounding lower density gas which gets blown downstream.

Stars form when dense gas clouds collapse under gravity.

Doubts remained, because no one had shown that a galaxy merger would leave the holes orbiting within sufficiently dense gas, but new computer simulations have bolstered the idea.

Prominent pink clouds of cool, dense gas lie on opposite sides of the central star.

According to researchers, the irregular knots of dense gas embedded along the inner rim of the ring were ejected by the central star about 4,000 years ago.

In galaxies like the Milky Way, dense gas traced by HCN but composed mainly of hydrogen molecules is always associated with regions of active star formation.

There will be a spectroscopic survey of the Gould Belt molecular clouds, and a survey of dense gas tracers in nearby star - forming galaxies.

Farther from the black hole, other, less dense gas clouds show evidence of less - rapid motion.

Alternatively, they might assemble themselves from the hot, dense gas surrounding the blazing protostars.

«Our team found evidence that the blast wave caused by the fireball brakes against a wall of very dense gas, which we believe is the crowded region where stars form.»

Direct collapse black holes, gobbling up dense gas clouds in the early universe, could fit the bill.

While carrying out a survey using the W. M. Keck telescope in Hawaii, the researchers found the quasar quartet embedded in a giant cloud of cool dense gas, as they report online today in Science.

A twisted, elliptical ring of relatively dense gas and dust around the Milky Way's center has been observed by the infrared Herschel Space Observatory.

The spectra of a nova shows blue - shifted absorption lines showing that a hot dense gas is expanding towards us at a few thousands of kilometers per second.

Controlling Thermal Properties of Dense Gas Fluidized Beds for Concentrated Solar Power by Internal and External Solids Circulation

The combination of the Planck and APEX data allowed astronomers to detect emission spread over a larger area of sky and to estimate from it the fraction of dense gas in the inner Galaxy.

As astronomers report online today in Nature, magnetic fields inside M33's six most massive giant molecular clouds — large concentrations of dense gas and dust that give birth to stars — line up with the spiral arms, suggesting the magnetic fields helped create the huge clouds and that they regulate how the clouds fragment to form new stars.

The different dependence on temperature and density of the recombination lines and the collision lines allows us to infer that the metal rich component is a much colder and denser gas than the major fraction of the gas in the nebula.

Swirling motions in clouds of cold, dense gas have given, for the first time, an active insight into how gravity creates the compact cores from which stars form in the interstellar medium.

«When the star explodes, the shockwave hits the dense gas cloud like a brick wall.

Finally, the star explodes and the dense gas cloud take centre stage.

The evidence comes from observations of a dense gas cloud some 2.9 billion light years away which has a radio source, the active supermassive black hole PKS 1413 +135, right behind...

These form when a black hole belches out jets of hot plasma, which are then pushed out of the core by surrounding denser gas.

This newly identified supply of cold, dense gas could eventually fuel future star birth as well as feed the black hole itself.

But in the inner disk, warm gas would fight against the planet's weak gravity, so the cold and dense gas of the outer disk is the more likely womb.

The densest gas in this explosion is shown in red.