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3 A Program for Construction of Optical Telescopes
Pages 45-56

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From page 45...
... The larger telescopes will ofier more tÏan one focal ratio through the use of secondary mirrors, and will provide for large and healy analyzing equipment at a ffxed coudé focus. Fields of view somewhat larger than the fraction of a degree previously customary can be achieved by slight deparhrre from conic seetions in the primary and secondary minors, or by improved correctol lenses placed a short distance ahead of the focal plane.
From page 46...
... the development of new auxiliary instruments an¿l in the testing of new methods Copyright © National Academy of Sciences. All rights reserved.
From page 47...
... ) The same rule applies to photoelectric photometry of faint obiects 40 L I I tu., Copyright © National Academy of Sciences.
From page 48...
... "ffi"i"o"y' photogrãphic emulsions; the from a practical itn"g" uoåî ito* -improuåd Copyright © National Academy of Sciences.
From page 49...
... orrld be of the order of 15 years. 42 Copyright © National Academy of Sciences.
From page 50...
... ': iï"-öil; in palt under European at infeúor sites, may soon be redresse'l seem logical for the united whatever other countries ;;;;;l;;;"id tul""op" that will bring to the States to set up a So"tft"* ï"-l'ph"t" tltut ttte Ïigtrly suecessful 200 skies the t"-" n";t;;;ã tãtt"tifity southern Hemisphgre' aaescope hìs provicletl in the Northern îJi"-"t i""rt l¡ Copyright © National Academy of Sciences.
From page 51...
... L+. Copyright © National Academy of Sciences.
From page 52...
... Each assignment should be maile on the merits' 45 Copyright © National Academy of Sciences. All rights reserved.
From page 53...
... More than one arrangáment has been made to work well by the nuclear physicists in tÏe opurutiott of particle accelerators. But whatever schemes are adopteil to bimg the nation's Iargest telescopes and talented astronomers together, the prinãiple of equality of opportunity must, at this level, be subordinated to ãn insistence on performance-to the requirement of excellence at the top' A GIANT TELESCOPE ENGINEEAING STUDT FOR The Panel recommends that as soon as tlle three large telescopes for the next decade are ulder way, a representative stuily group be assembleil to consider the problems of buildÍng a telescope of the largest feasible size, to decide on practícal design concepts, and to prepare a cost estimate for the design adopted.
From page 54...
... "rt""o o. _À Copyright © National Academy of Sciences.
From page 55...
... The recent rapid development of graduate study in astronomy in universities that previously had only small programs or did not awarcl tlre Ph.D. degree in astronomy at 48 I Copyright © National Academy of Sciences.
From page 56...
... inioo, * ith ì'to ope'ii'-'g 49 Copyright © National Academy of Sciences.


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