Sentences with phrase «dust and gas»

It shows the inner cloud of dust and gas surrounding the comet's nucleus increasing by 200 kilometres (about 120 miles) in size.

A brown dwarf probably forms from concentrated dust and gases in a way similar to that in which stars form.

The massive stars within the star formation region slowly destroy the pillars of dust and gas from which they are born.

The planets are thought to have formed from a disc of dust and gas around the infant sun.

A new limit on how long the early solar system was filled with dust and gas gives us clues to how quickly the sun and planets formed.

According to the big bang theory, stars began to form by the gravitational collapse of spinning dust and gas clouds 420 million years after the big bang's sudden inflation.

Stars are forming in this column of cold dust and gas, which is 9.5 light - years in length.

The triggered formation of stars, the influence of the young stars upon dust and gas, and the disturbance of magnetic fields can all be observed and examined in this single area.

This thin, rotating smear of dust and gas eventually will form a solar system around the star.

Normally, dust and gas go hand in hand, but no gas has ever been seen so far away from these galaxies.

In the gaps between the stars, astronomers have detected not only dust and gas but also molecules that constitute basic organic substances.

Normally, stars form when a cloud of dust and gas starts to contract under its own gravity, heating up as the pressure rises.

As a ball of dust and gas contracts under its own gravity, it begins to shrink and its core begins collapsing faster and faster.

We find that this can be explained by a lower dust and gas mass in the inner disk.

Main - sequence stars form from clouds of dust and gas drawn together by gravity.

The solar system as a whole formed roughly 4.5 billion years ago from a collapsing disk of dust and gas.

All that light from buildings, street lamps and vehicles is scattered by dust and gas molecules in the lower atmosphere, producing a diffuse glare known as skyglow.

1) The Solar system formed from a large, rotating cloud of interstellar dust and gas called the solar nebula.

They subtracted a model of how dust and gas behave in comets in order to obtain the core size.

Over the past couple of decades, astronomers have been able to detect hundreds of disks of dust and gas surrounding very young stars, which signify new planets in the making.

This image from the Wide Field Imager on the MPG / ESO 2.2 - meter telescope shows part of the huge cloud of dust and gas known as the Coalsack Nebula.

The panel envisioned an observatory that would view the heavens in infrared light — the wavelength band that enables astronomers to see through dust and gas clouds and extends humanity's vision farther out into space and back in time.

Eventually, two of these stars either grazed each other or collided, triggering a powerful eruption that launched other nearby protostars and hundreds of giant streamers of dust and gas into interstellar space at speeds greater than 150 kilometers per second.

This illustration provided by Columbia University shows the supermassive black hole Sagittarius A, located at the center of the Milky Way Galaxy, surrounded by a cloud of dust and gas within which are 12 smaller black hole...

Planets are thought to form in the disks of dust and gas found around young stars.

Under standard theories of planetary formation, such giant planets should not form in such close - in orbits because it's too hot there for dust grain condensation, with too little solid material in the vicinity to build a protoplanetary core of 10 Earth - masses quickly enough and too little gas to build a massive envelope, before the developing star's T - Tauri wind blows too much of its disk of dust and gas away.

Over a decade before planets were found orbiting normal stars, the astronomy world was intrigued by the discovery of a vast, edge - on, pancake - flat disk of dust and gas encircling the newborn star Beta Pictoris.

Astronomers once thought the solar system was relatively static, with the planets» current configurations roughly unchanged since their birth in a gigantic cloud of dust and gas more than 4 billion years ago.

During this «escort» phase the orbiter will continue to analyse dust and gas samples while monitoring the ever - changing conditions on the surface as the comet warms up and its ices sublimate.

«Dust and gas behave very differently around young stars,» said Isella.

But with 1 % precision and 10 % accuracy, we have been able to detect excess emission above the photosphere due to circumstellar dust and gas down to as low as 1.5 µm, while finding many important new results for supposedly well - studied and picked - over systems.

Astronomers have detected chemical precursors of building blocks of life in the large disk of dust and gas whirling around a young nearby star.

This unusually compact cloud of dust and gas near the center of the Milky Way in the direction of the constellation Sagittarius is energized by a hot young star at its core, and it's a veritable alphabet soup of molecules.

The nebula was observed with Hubble's Advanced Camera for Surveys in Sept. 2015, as part of a survey called the Small Magellanic cloud Investigation of Dust and Gas Evolution (SMIDGE).

Such gravity under the right conditions can devour dust and gas by the solar - system load, convert much of it into high - energy particles, and propel them far into space at velocities approaching the speed of light.

Because of all the intervening dust and gas lying in the galaxy it is very hard to see much beyond this distance in the galactic plane.

Some galaxies drive galactic winds, expelling dust and gas at hundreds of kilometers per second into the intergalactic medium, the space between galaxies.

There are many possible sources for the components of Earth's primordial atmosphere, from the so - called solar nebula, a cloud of dust and gas leftover from the sun's formation, to comets and other impactors that may have delivered significant amounts of chemicals to Earth during or after the planet's formation.

The approach may reveal recent geological changes, and will allow the probe to analyse dust and gas thrown up by the moon's geysers.

For tens of millions of years, most have been far from the galactic disc where dust and gas resides, so heavy elements such as calcium should have sunk beyond detection long before.

But the material that swirls around them — dust and gas stripped from stars — shines all the way to its inanimate death.

Many astronomical phenomena can be seen in this giant image, including cosmic dust and gas clouds that reflect, absorb, and re-emit the light of hot young stars within the nebula.

At that point gravity takes over, pulling in other planetesimals and vacuuming up dust and gas until planet - sized bodies take shape.

The nanocraft would face additional obstacles, primarily in the form of dust and gas encountered en route to the Alpha Centauri system.

Those factors are the reddening of light due to the expansion of space, the universe's dynamic nature, and the absorption of light by intergalactic dust and gas.

In general, stars can appear to dim because a solid object like a planet or a cloud of dust and gas passes between it and the observer, eclipsing and effectively dimming its brightness for a time.

Cosmic Points of No Return Black holes at the center of sixactive galaxies are caught in the act of reeling in huge swirls ofinterstellar dust and gas in combined visible and near - infrared images taken by the Hubble Space Telescope.

The protoplanet is now between one - half and three times the mass of Jupiter but will undoubtedly continue to grow as it accumulates dust and gas from the disk.

However, x-rays were powerful enough to penetrate the thick dust and gas cloud, they report in the 1 August issue of Astrophysical Letters.