Sentences with phrase «shells of gas»

This could allow analysis of the shells of gas around red giant stars of the faint galaxies around a quasar.

The star has blown off two expanding shells of gas equal to about 10 Solar - masses.

The Crescent nebula (NGC 6888) consists of some shells of gas energised by a very energetic Wolf - Rayet star.

They are shells of gas thrown off by Sun - like stars nearing the ends of their lives.

Finally, they expel their outer layers, producing expanding shells of gas called planetary nebulae (figure 2).

GHOST IN THE SHELL What looked like an ordinary supernova, shown in this artist's illustration, might be the result of a single star exploding at least three times, blowing off expanding shells of gas each time.

Chemical calculations show that helium hydride should be visible in clouds around distant galaxies and supernovas, or even in modern planetary nebulas (shells of gas expelled by aged, sunlike stars).

Sagittarius A East, an enormous oval shell of gas near our galaxy's center, has puzzled astronomers since its discovery in 1966.

One possibility is that before the star went full supernova, it expelled a dying breath, releasing a dense shell of gas.

When the fast wind slams into the slow wind, a shock wave moves outward, accelerating and compressing the slow wind as it sweeps through it, squeezing it into a dense shell of gas ions.

But as the shell of gas and plasma from the supernova expands and cools over time, it becomes transparent and we can catch hints of what is going on inside.

The shell of gas expands outwards and is visible for a few thousand years.

It is possible that the star spewed out a dense shell of gas about a year before the explosion, and when the supernova happened, ejected material hit the shell.

Given that its surrounding shell of gas and dust contains the higher element Magnesium, the star may have already shed a substantial share of its mass after progressing up the giant branch farther than, say, Pollux.

For decades, radio, optical, and even X-ray observatories have studied SN 1987A, but obscuring dust in the remnant made it difficult to analyze the supernovaSupernova RemnantThe expanding shell of gas from a supernova explosion.

The 2014 Chevrolet Spark EV is another cheap electric car newcomer, one that borrows the shell of the gas - powered Spark city car and significantly ups its performance.

Not exact matches

At that point, it will partly collapse, blow its outer shells of plasmatic gas into space, turn into a white dwarf, and begin to form a planetary nebula in its surroundings.

The egg shell dissolves in the vinegar as the acetic acid in the vinegar reacts with the calcium carbonate of the the shell, Carbon dioxide is given off during this reaction so you should see bubbles of gas escaping.

The State is considering allowing private companies to begin drilling for natural gas in upstate New York, while the City is shelling out more than $ 630 million between now and 2017 on «filtration avoidance» by protecting the Cat / Del watershed, where 90 % of our water comes from.

Atmospheres of glowing gas separated the shells, each of which had its own magnetic poles.

Wells and his colleagues argue that during hard times it can draw on two possible reserves: the oxygen carried in its large volume of blood, and oxygen trapped in the gas chamber that buoys up its shell.

The diffuse cloud in this image, taken with the Carnegie Institution for Science's Swope telescope in Chile, is the shell of hot hydrogen gas ejected by a white dwarf star on March 11, 1437.

12 Noble gases (far right on the periodic table) have closed shells of electrons, which is why they are nearly inert.

To find out what happened, astrophysicists at NASA's Ames facility devised an artificial environment full of crushed walnut shells to test the engines and found that the pulsing of the rockets on the Martian surface injected more gas into the soil than expected.

Instead of just bubbling the gas into the system, which would result in candy - shell crystals and a quick trip to Slurryville, Max plans to carefully dissolve the gas into the seawater.

They produced thin shells of hydrate surrounding gas bubbles.

These include expanding shells and rings of material around the galactic centre, and evidence of streams of gas being ejected from the galactic core.

Just as an atom with a full outer electron shell is a peculiarly unreactive noble gas, an outer shell with the right number of protons and neutrons makes a nucleus magically stable.

Here's what the researchers think is going on in those nests that were inundated with water, clay or silt: The environmental conditions for those eggs are not great, which likely impedes gas exchange through the shells of the eggs, leading to greater embryonic stress and possibly death.

The trouble is, the shells seen in the Hubble images are from 200 to 1,000 years apart, and astronomers know of no process that could conceivably cause a dying star to shoot off a layer of gas every 200 to 1,000 years.

One scenario is the «explosion model» in which an expanding gas shell of the supernova remnant passes by a static black hole.

A planetary nebula is an expanding shell of glowing gas expelled by a star late in its life.

One has a pulsar; others are expanding shells of shock - heated gas

Their vast symmetrical shapes outline hypersonic shock waves produced by colliding shells of stellar gas.

In addition to the usual vaguely round shell of hot, expanding gas, this one had something long and narrow sticking out of it.

In the West this means a strong outer shell capable of withstanding explosive leaks of radioactive gas or liquids.

[2] The ejected shell formed around AGB stars is composed of gas and dust grains.

A thermal pulse leads to material being blown off the surface of the star at a much higher rate, resulting in the formation of a large shell of dust and gas around the star.

Scientists announced Thursday that measurements from NASA's Cassini spacecraft detected hydrogen gas, a key energy source for microbial life, in a plume gushing from a vast liquid water ocean buried beneath the icy shell of Saturn's moon Enceladus.

According to the researchers, there are two possible scenarios in which such a cloud could have been created — the first one that involves the expanding gas shell of the supernova remnant passing by a static black hole, and the other wherein a fast - moving black hole plunges through a cloud of dense gas that is then dragged along by the former's strong gravity.

«I believe delivery of the sulfide gas into the stratosphere is envisaged either by artillery shell, high - altitude weather balloon or aircraft,» Ian Stimpson, a senior lecturer on geophysics at Keele University, told Earther.

This Gemini Observatory image of Kronberger 61 shows the ionized shell of expelled gas resembling a soccer ball.

A team of researchers led by University of Amsterdam (UvA) chemists has developed new Fischer - Tropsch catalysts — consisting of ultra-thin cobalt shells surrounding inexpensive iron oxide cores — that can be used to produce synthetic fuels from natural gas and biomass.

The outer layers of the star are blown off into space, and are often seen as an expanding remnant shell of hot gas.

The hydrogen gas is blasted outward to form an expanding shell of hot gas.

The nebula's insides, which appear mushy and red in this view, are made up primarily of ionized gas, while the outer green shell is cooler, consisting of glowing hydrogen molecules.

The astronomers hypothesize that energetic supernova explosions created fast - moving expanding bubbles of hot gas that collided with the surrounding cold gas of interstellar space, which in turn became compressed into thin shells.

Messier 108 also contains H1 supershells, shells of expanding gas driven either by bursts of star formation and the resulting supernova explosions, or by infall of gas from outside the galaxy, or possibly by radio jets.

An unexpected attribute of these shells is the abundance of gas, which can become separated from smaller galaxies during a collision.

Raw or undercooked «natural beans in their shells» are notorious producers of gas and other digestive distress.