When two quasars are so nearly in the same direction as seen from Earth that they appear to be a single quasar but may be separated by the use of telescopes, they are referred to as a " double quasar ", such as the Twin Quasar.

When making observations, scientists look through telescopes, study images on electronic screens, record meter readings, and so on.

When used together with adaptive optics, infrared interferometers, such as two 10 meter telescopes at Keck Observatory or the four 8. 2 meter telescopes that make up the Very Large Telescope Interferometer, can achieve high angular resolution.

After he explained this to the Society, he proceeded: " When I understood this, I left off my aforesaid glass works ; for I saw, that the perfection of telescopes was hitherto limited, not so much for want of glasses truly figured according to the prescriptions of Optics Authors ( which all men have hitherto imagined ), as because that light itself is a heterogeneous mixture of differently refrangible rays.

When sent to America to study the construction of the large new telescopes being built there he returned not only with telescope plans but also with a grant of $ 10, 000 from the American philanthropist Catherine Wolfe Bruce.

When not observing an event, the telescopes are used remotely by public school students in North Carolina.

When he was 14 he received a 60 mm telescope as a Christmas present: the first of nearly 20 telescopes he has owned.

When the SZA is combined with the other telescopes in the CARMA array, which have longer separations and are sensitive to finer angular scales, it can form a complete picture of galaxy clusters at very high resolution.

When he discovered they had received from the Company's Court of Directors no permission to live in India, coupled with the fact that they were Americans who had been sent to Asia to convert `` the heathen '', he became more belligerent than ever.

When this second dilemma first became obvious -- during the mid to late '50's -- the United States appeared to have three choices.

When Alexander Brandel rose to speak, the hall became silent.

When the Brown & Sharpe Manufacturing Company reached its 125th year as a going industrial concern during 1958, it became an almost unique institution in the mechanical world.

When the power of the latter was made both limited and explicit -- when norms were clarified and made more precise and the creation of new norms was placed exclusively in parliamentary hands -- two purposes were served: Government was made subservient to an institutionalized popular will, and law became a rational system for implementing that will, for serving conscious goals, for embodying the `` public policy ''.

When it became obvious that he could stay inside no longer, taking a thousand to one chance Gonzales rushed outside, square against the muzzle of a Winchester.

When her brother Winslow became a student at Brown University in 1874, she wrote him about a course in history he was taking under Professor Diman: `` What is Prof. Diman's definition of civilization, and take the world through, is its progress ever onward, or does it retrograde at times??

When cattle became more valuable, ranch owners frowned upon this practice and it was discontinued, at least when the boss was 'round.

`` When they became members of the city police narcotics unit '', Sokol said, `` they were told they would have to get to know certain areas of Chicago in which narcotics were sold and they would have to get to know people in the narcotics racket.

When he attended the Christian Anti-Communist Crusade school here about six months ago, Jim became convinced that an individual can do something constructive in the ideological battle and set out to do it.

When Austria became a member of the European Union, the Austrian variety of the German language — limited to 23 agricultural terms — was " protected " in Protocol No 10, regarding the use of specific Austrian terms of the German language in the framework of the European Union, which forms part of the Austrian EU accession treaty.

When she became her godly form " Her hair's ambrosia breathed a holy fragrance.

When he became ill, the Alemanni claimed to have put a hex on him ( 78. 15. 2 ).

When Troy was sacked by the Greeks, Aeneas, after being commanded by the gods to flee, gathered a group, collectively known as the Aeneads, who then traveled to Italy and became progenitors of Romans.

When the Greeks left without killing Ajax, despite their sacrifices Athena became so angry that she persuaded Zeus to send a storm that sank many of their ships.

When Yolande's pregnancy ended, probabably with a miscarriage, Alexander's granddaughter Margaret became the heir.

When Alexander became emperor, he was young, amiable, well-meaning, and entirely under the dominion of his mother.

When it became apparent that Johnson would lose his seat, an effort began by ally George W. Jones to put forward Johnson's name for governor.

When Kolmogorov became aware of Solomonoff's work, he acknowledged Solomonoff's priority.

When the Roman infantry became entangled in combat with his army, the hidden ambush force attacked the legionnaires in the rear.

When Angelo Cardinal Roncalli was elected and became Pope John, there was some confusion as to whether he would be John XXIII or John XXIV ; he then declared that he was John XXIII to put this question to rest.

When Thomas became Chairman of the U. S. Equal Employment Opportunity Commission ( EEOC ) in 1982, Hill went along to serve as his assistant, leaving the job in 1983.

When the merger took place, all ten AFL franchises became part of the merged league's new American Football Conference ( AFC ), with three teams from the original 16-team NFL ( the Pittsburgh Steelers, Cleveland Browns, and Baltimore Colts ) joining them.

When that party dissolved, he became a member of the Know-Nothing party.

When analog long distance trunks were commonplace, for example in 12 channel carrier, group delay distortion had to be corrected in repeaters.

When cities and the middle class expanded greatly and mortgage loans became commonplace, a method that had been rare became commonplace to serve the expanding demand for home ownership.

When Eustace returns home after his adventures, his mother thinks he has become tiresome and commonplace, blaming the change on the influence of " those Pevensie children "— though everyone else thinks he has become a much better person.

When combined with setting transparency, this allows an Amiga to overlay an external video source with graphics.

When setting up PBXs to run a DPNSS connection one end must be defined as the primary or ' A ' end.

When dealing with experiments that are random and well-defined in a purely theoretical setting ( like tossing a fair coin ), probabilities describe the statistical number of outcomes considered divided by the number of all outcomes ( tossing a fair coin twice will yield HH with probability 1 / 4, because the four outcomes HH, HT, TH and TT are possible ).

* When the SR-71 was retired by the military in 1990, one was flown from its birthplace at United States Air Force Plant 42 in Palmdale, California to Dulles, setting a coast-to-coast speed record at an average 2, 124 mph ( 3, 418 km / h ).

When the fever stops, and the hypothalamic setting is set lower ; the reverse of these processes ( vasodilation, end of shivering and nonshivering heat production ) and sweating are used to cool the body to the new, lower setting.

When Advanced Dungeons & Dragons 2nd edition was published, a decision was made not to include angelic or demonic creatures, and so the cosmology was largely ignored, being replaced ( to a certain degree ) by the Spelljammer setting.

When transferred to the tropical setting, many nonlinear problems become linear.

When the Privy Council was already considering to disband the camp to save money, Leicester held against it, setting about to plan with the Queen a visit to her troops.

When taken as part of Snow Crash's timeline, The Diamond Age provides insight into the setting of its predecessor.

When the SCC's internal PLL was used to lock to the clock embedded in the LocalTalk serial data stream ( using its FM0 encoding method ) a divide-by-16 setting on the PLL yielded the fastest rate available, namely 230. 4 kbit / s.

When the results of the 1913 elections indicated a clear victory for the KMT it appeared that Song would be in a position to exercise a dominant role in selecting the premier and cabinet, and the party could have proceeded to push for the election of a future president in a parliamentary setting.

When space permits, the screen print text can indicate component designators, switch setting requirements, test points, and other features helpful in assembling, testing, and servicing the circuit board.

When describing a field setting, the numbers of fielders on the off side and leg side are often abbreviated into a shortened form, with the off side number quoted first.

When the BBC noticed the rising popularity of this method they established a Radiophonic Effects Committee, setting up the Workshop in rooms 13 & 14 of the BBC's Maida Vale studios with a budget of £ 2, 000.

When Belisarius eventually returned to Italy, Procopius relates that " during a space of five years he did not succeed once in setting foot on any part of the land ... except where some fortress was, but during this whole period he kept sailing about visiting one port after another.

: When in thy setting sweet thou gazest down

When they returned to Chile in the 1960s, the Chicago boys began a concerted effort to spread the philosophy and policy recommendations of the Chicago and Austrian schools, setting up think tanks and publishing in ideologically sympathetic media.

When the five founders of the company thought they had found mineral called corundum, which would be used for making sandpaper, they began the process of setting up a mining company.

When the park was being re-landscaped as a setting for the palace the 1st Duchess wanted the historic ruins demolished, while Vanbrugh, an early conservationist, wanted them restored and made into a landscape feature.

When the results of the 1913 elections indicated a clear victory for the KMT, it appeared that Song would be in a position to exercise a dominant role in selecting the prime minister and cabinet, and the party could have proceeded to push for the election of a future president in a proper parliamentary setting.

Balfe continued to compose new operas in English and wrote hundreds of songs, such as " When other hearts ", " I Dreamt I Dwelt in Marble Halls " ( from The Bohemian Girl ), " Come into the Garden, Maud " and " Excelsior " ( a setting of the poem by Longfellow ).

When the enemy besieged Rome, Camillus slew most invaders at the Marcian heights, setting fire to their palisades during the windy hours of dawn.

When Smith climbs down for a better shot, Macreedy throws it, hitting the rock next to Smith and setting him on fire.