Sentences with phrase «by dust cloud»

Here's the evidence astronomers found that suggests the star's strange behavior could be explained by dust cloud.

Paladino raised Cuza's eyebrows by saying that Ground Zero isn't merely the footprint of the Twin Towers, but rather «the entire area that was affected by the dust cloud, which spread over an area of approximately a quarter of a mile in every direction.»

Nor is there any hint of heat radiated by dust clouds exposed to the harsh light of a hidden neutron star.

The receding jet was almost invisible in earlier pictures made in visible or infrared light, due to obscuration by dust clouds.

Not exact matches

The scientists were even able to see «intriguing» shadows cast by clouds of gas and dust in two of the images.

By analyzing the light from molecular clouds, astronomers have observed not just H2O, but 200 different molecules — including H2, carbon dioxide and ammonia — existing either as gases or in ice that coats dust grains.

Infrared radiation passes through interstellar dust much more easily than visible light, so by looking at the infrared light from a galaxy we can learn about the new stars forming within the clouds of dust and gas.

That's at least 100 times larger than the nanodiamonds that form when planetary objects collide, and it's far larger than diamonds that form by condensing from carbon vapor inside clouds of interplanetary gas and dust.

Earth is surrounded by a cloud of debris, both natural — such as micrometeorites and comet dust, which create meteor showers — and unnatural, including dead satellites and the cast - off detritus of space launches.

The finding suggests the comet's surrounding cloud of gas and dust may largely be fed by underlying ices, rather than by gas streaming off its surface.

The different pillars analysed by an international team seem to be pillars of destruction — in contrast to the name of the iconic Pillars of Creation in the Eagle Nebula, which are of similar nature.The spires and pillars in the new images of the Carina Nebula are vast clouds of dust and gas within a hub of star formation about 7500 light - years away.

«The emission can be absorbed by thick clouds of gas and dust covering the AGN,» Boorman continues.

Even as the importance of biological ice nucleation was being recognized by agricultural scientists, it still wasn't embraced by atmospheric scientists, who stuck by the traditional view that soot, or sea salt, or some as - yet - unidentified mineral in dust was seeding ice in clouds.

On the far left lies the star Eta Carinae, flanked by double clouds of gas and dust.

In this huge image of part of the southern constellation of Norma (The Carpenter's Square) wisps of crimson gas are illuminated by rare, massive stars that have only recently ignited and are still buried deep in thick dust clouds.

RCW 106 itself is the red cloud above centre in this new image, although much of this huge H II region is hidden by dust and it is much more extensive than the visible part.

This long - wave radiation penetrates the dust, and by measuring the change in its wavelength — its Doppler shift — we can work out a cloud's speed towards or away from us.

The unusual fading of an oddball star is more likely caused by either clouds of dust or an abnormal cycle of brightening and dimming, two new papers suggest.

Ten years later, no one knows what was in the cloud of gases released by the combustion of all that jet fuel and building material but science has revealed what was in the dust — cement, steel, gypsum from drywall, building materials, cellulose from paper, synthetic molecules from rugs, glass fibers and human hair from the long decades of the two towers» use, among other items.

The Planck spacecraft and a ground - based instrument in the Canary Islands have observed microwaves emitted by an interstellar dust cloud that are consistent with the grains turning on their axis tens of billions of times a second.

The team that made this discovery, led by Yale University astronomer Tabetha Boyajian — the star's namesake — suggested a variety of explanations for its strange behavior, including that the star itself was variable, that it was surrounded by clouds of dust or dusty comets, or that planets around it had collided or were still forming.

Almost simultaneous with the birth of discover, physicist and Nobel laureate Luis Alvarez (along with his son, Walter Alvarez of the University of California, Berkeley) proposed that a giant asteroid impact killed off the dinosaurs by causing global firestorms and dust clouds that blotted out the sun.

But apparently, the high and low - density lumps are partially bound together, most likely by magnetic fields linking distant clouds of gas and dust.

A dark cloud of cosmic dust snakes across this spectacular wide field image, illuminated by the brilliant light of new stars.

Experiments Prather and her team conducted in California's Sierra Nevada produced the first conclusive evidence that dust aerosols can change the amount of precipitation produced by clouds.

In fact it's positively chilly, with more than half the energy emitted by normal matter coming from clouds of gas and dust too cold to radiate visible light — and which therefore can not be seen with traditional telescopes.

The nebula was created by the star, which is losing part of its mass out into the surrounding space, forming a cloud of gas and dust as the material cools.

Although the explosion is unusually close, the supernova's light is attenuated by thick dust clouds in its galaxy, which may slightly reduce its apparent peak brightness.

It is a cloud of gas and dust illuminated from within by the central star, designated HD 65750.

It is a cloud of gas and dust illuminated from within by a star called HD 65750.

As well as its ability to pierce armour plating, DU has the unfortunate tendency to ignite on impact, creating clouds of uranium oxide dust — facilitating its spread in the environment and increasing the danger posed by the alpha radiation it emits.

«Dust particles have been shown to be efficient ice nuclei, which may influence the monsoon by changing clouds» properties,» Jin said.

Residing in the plane of the Milky Way, where it can not be observed by optical telescopes because of obscuring clouds of interstellar dust, Circinus X-1 is the glowing husk of a binary star system that exploded in a supernova event just 2,500 years ago.

By taking the column density of gas between us and many stars in the same general direction and by looking for telltale shifts in the absorption spectrum, astronomers can surmise where a cloud of gas and dust lies, how thick it is, and in what direction it is movinBy taking the column density of gas between us and many stars in the same general direction and by looking for telltale shifts in the absorption spectrum, astronomers can surmise where a cloud of gas and dust lies, how thick it is, and in what direction it is movinby looking for telltale shifts in the absorption spectrum, astronomers can surmise where a cloud of gas and dust lies, how thick it is, and in what direction it is moving.

By analyzing this data over the following six months, the researchers found that clouds that grew at the lowest temperatures required extremely high relative humidity in order for water vapor to form an ice crystal around a dust particle.

Astronomers are missing as many as one - third of black holes by looking with the wrong telescopes, according to a new study which finds that massive black holes may be hiding behind thick clouds of dust and gas in the centers of galaxies.

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.

Current theory states that baby stars hatch by the bushel in stellar nurseries, vast clouds of dust and gas that congeal into stars.

The lead surrounding the stars — which was part of the original cloud of gas and dust from which these stars formed, not generated by reactions in the evolving stars themselves — may be dispersed within an atmospheric layer as much as 100 kilometers thick (depicted patchily in pink) that altogether weighs up to 100 billion metric tons.

Yu and his colleagues analyzed dust transport estimates based on data collected by NASA's Cloud - Aerosol Lidar and Infrared Pathfinder Satellite Observation (CALIPSO) satellite between 2007 and 2013.

They say the number of stars in a system is determined during the earliest stage of star formation but critical processes occurring then are usually hidden by dense clouds of dust and gas.

Although this looks like a single nebula, NSF's Gemini South Observatory revealed it is actually two separate gas and dust clouds formed by different types of supernova explosions.

And because the first dust clouds would have formed with the star nearly 100 million years ago, Chen and Jura argue that «this disk must be continually replenished by asteroid collisions.»

A new star is formed by gravitational contraction of an interstellar molecular cloud consisting of gas and dust.

And by using the ZIMPOL mode of SPHERE, the team could not only peer deeper into the heart of this cloud of gas and dust around the star, but they could also see how the starlight was scattered and polarised by the surrounding material.

These particles indicate the precise composition of the sun and, by extension, the cloud of dust and gas from which it and all the planets coalesced some 4.6 billion years ago.

A comet usually too faint to be seen with the naked eye has brightened by a factor of a million since Tuesday, suggesting its surface may have cracked open and expelled clouds of dust and gas.

Many active galactic nuclei are surrounded by large, dark, donut - shaped clouds of gas and dust, as seen in this artist's rendering.

Located 26,000 light years away from Earth and surrounded by clouds of dust, the center of the Milky Way galaxy is a hard thing for scientists to get a good look at.

By 2000 radio astronomers had found almost all of them in various dust clouds throughout our galaxy, suggesting that the interplay between ice and gas may be one of the most important mechanisms for synthesizing the precursors of life.