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* Quasars have been photographed since the late 19th centuries although they were not known to be unusual objects until the 1960s.
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Quasars and have
Quasars also happen to have relatively uniform spectral features, regardless of position in sky or distance from Earth.
Quasars and they
Quasars release an extraordinary amount of energy, meaning they are among the brightest objects in the universe.
Quasars below a certain redshift will not show the Gunn-Peterson trough ( though they may show the Lyman-alpha forest ), while quasars emitting light prior to reionization will feature a Gunn-Peterson trough.
Quasars are a good candidate source because they are highly efficient at converting mass to energy, and emit a great deal of light above the threshold for ionizing hydrogen.
Quasars ' extreme red shift led us to conclude that they are distant active galactic nuclei.
* Quasars ( objects the size of the solar system and as luminous as a hundred modern galaxies, so distant that they date from the early years of the universe );
* Quasars ( objects the size of the solar system and as luminous as a hundred modern galaxies, so distant that they date from the early years of the universe );
Quasars and were
Quasars are extremely luminous and were first identified as being high redshift sources of electromagnetic energy, including radio waves and visible light, that were point-like, similar to stars, rather than extended sources similar to galaxies.
Quasars also show ' forbidden ' spectral emission lines which were previously only seen in hot gaseous nebulae of low density, which would be too diffuse to both generate the observed power and fit within a deep gravitational well.
Quasars were originally ' quasi-stellar ' in optical images, and so had optical luminosities that were greater than that of their host galaxy.
Quasars ( short for " quasi-stellar radio source ") were one of the first point-like radio sources to be discovered.
Quasars and known
Quasars are believed to be powered by accretion of material into supermassive black holes in the nuclei of distant galaxies, making these luminous versions of the general class of objects known as active galaxies.
Quasars and be
Quasars may also be ignited or re-ignited from normal galaxies when infused with a fresh source of matter.
( Quasars are also associated with an accreting compact object, but are thought to be merely a particular variety of AGN.
Quasars and objects
Celestial objects like Quasars, super dense objects that lie far from Earth, emit electromagnetic waves in its full spectrum including radio waves.
Due to the high frequency used, the chances finding gravitational lenses increases as the relative number of compact core objects ( e. g. Quasars ) are higher ( Sadler et al.
Quasars and .
Quasars show a very high redshift, which is an effect of the expansion of the universe between the quasar and the Earth.
* Arp, Halton C., Quasars, Redshifts and Controversies.
Quasars are not radio stars.
Bell and D. McDiarmid, reported: " Six Peaks Visible in the Redshift Distribution of 46, 400 SDSS Quasars Agree with the Preferred Redshifts Predicted by the Decreasing Intrinsic Redshift Model ".
have and been
If he had married her, he'd have been asking for trouble.
`` We've been looking for work, but all the ranchers have turned us down ''.
She seemed to have come such a long distance -- too far for her destination which had wilfully been swallowed up in the greedy gloom of the trees.
A detailed scouring of the entire area revealed nothing beyond a ledge of rocks that might have been the rifleman's hiding place.
Yet had he not visited the girl at Saw Buck he would never have been involved in this latest tangle.
At once my ears were drowned by a flow of what I took to be Spanish, but -- the driver's white teeth flashing at me, the road wildly veering beyond his glistening hair, beyond his gesticulating bottle -- it could have been the purest Oxford English I was half hearing ; ;
Their product had been endorsed by Good Housekeeping, the A.M.A., and the Veterinary Journal, among other repositories of higher wisdom, and before much longer if you didn't have a cake of their soap in the john, even your best friends would think you didn't bathe.
`` The commercials have just been for money, there hasn't been any real incentive for me to do them, but in Underwater Western Eye I'd have a chance to act.
If it were not for an old professor who made me read the classics I would have been stymied on what to do, and now I understand why they are classics ; ;
They were married over the week-end, though he was easily sixty and she could not have been even thirty.
( Would she have been able to had she known that the blanket belonged to a young ballet dancer Nicolas had found his first night in one of Walter's marked bars??
It had been a mistake, but anything would have been a mistake, as it turned out.
`` They wouldn't have sold me in the first place if there'd been food enough to go around ''.
The body may have been two or three weeks' dead.
She might have been someone he had once loved.
Benson said, and Ramey wondered how close their thoughts might have been.
And he would have enjoyed it just as much if he had been a Nazi.
The deeds of countless western bandits and outlaws have been glorified almost to the point of hero-worship, but because Billy Tilghman remained strictly on the side of the law throughout his action-packed career, his achievements and the appalling risks he took while taming the West have remained almost unsung.
Something was beginning to stir and come alive in her, too ( it may have been there for a good while, since she was twenty now ; ;
Had Dandy been older or wiser, instinct might have warned him that he would be well advised to flee from the Lalauries' tender care if he valued his life.
have and photographed
However, more recent stories showing Superman being photographed have tended to ignore this factor.
Some gray whales have also been seen off western Kamchatka, but to date all whales photographed there are also known from the Piltun area.
And although nothing is known about the type D diet, it is suspected to include fish because groups have been photographed around longline vessels where they reportedly prey on Patagonian toothfish ( Dissostichus eleginoides ).
However seals have been observed and photographed in Loch Ness and the sightings are sufficiently infrequent to allow for occasional visiting animals rather than a permanent colony.
According to skeptic Robert T. Carroll, " Reports of the Mokèlé-mbèmbé have been circulating for the past two hundred years, yet no one has photographed the creature or produced any physical evidence of its existence.
Al Davis had an enlarged photo of Joe Namath at Oakland's headquarters that depicted the quarterback sprawled out on the ground following a vicious hit from Raider defender Ben Davidson ; the photographed play was said to have broken the quarterback's jaw ( though Namath stated he had broken it on a tough piece of steak, and some claim it was Raiders defensive end Ike Lassiter who injured Namath ).
The only quagga to have been photographed alive was a mare at the Zoological Society of London's Zoo in Regent's Park in 1870.
In 2002, men over sixteen years old who entered the country from twenty-five Middle Eastern countries and North Korea were required to be photographed, fingerprinted, interviewed and have their financial information copied, and had to register again before leaving the country.
On June 6, 2002, Attorney General Ashcroft proposed regulations that would create a special registration program that required males aged 16 to 64 who were citizens of designated foreign nations resident in the U. S. to register with the Immigration and Naturalization Service ( INS ), have their identity verified, and be interviewed, photographed and fingerprinted.
Vega was the first star other than the Sun to be photographed and the first to have its spectrum recorded.
In recent years, celebrity pals such as Bette Midler and ice-skating star Tai Babilonia have been photographed wearing their " Stevie moons ".
Stigmata as crown of thorns appearing in the 20th century, e. g. on Marie Rose Ferron have been repeatedly photographed.
Since then, other " cobweb panthers " have been reported and photographed in zoos.
Melanistic cougars have never been photographed or shot in the wild and none has ever been bred.
Bonobos are the only nonhuman animal to have been observed engaging in all of the following sexual activities: face-to-face genital sex ( although a pair of western gorillas has been photographed performing face-to-face genital sex ,) tongue kissing, and oral sex.
By 1878, spurred on by Stanford to expand the experiments, Muybridge had successfully photographed a horse at a trot ; lantern slides have survived of this later work.
He wrote in a memo to Colbert's agent that they had rebuilt several sets " because of her refusal to have the right side of her face photographed, on top of which we have to pay her not only a fabulous salary, but also give her two days off a month, which works out to $ 5000 every four weeks for doing absolutely nothing, and now she's demanding three .... Tell her there's a war on and we all have to make some sacrifices.
On 20 October 2008 a team of seven Japanese adventurers photographed footprints which could allegedly have been made by a Yeti.
Drivers without a TollTag have their license plate photographed automatically and the registered owner will receive a monthly bill, at a higher rate than those vehicles with TollTags .< ref >
Because they are already visible and have no need of enhancement they are generally photographed rather than being lifted in the way that latent prints are.
The best way to render latent fingerprints visible, so that they can be photographed, can be complex and may depend, for example, on the type of surfaces on which they have been left.
The Sun may have been first photographed in an 1845 daguerreotype by the French physicists Léon Foucault and Hippolyte Fizeau.
The defense pointed out that Crane had been videotaped and photographed in compromising sexual positions with numerous women, implying that a jealous person or someone fearing blackmail might have been the killer.
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