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Image:Explorer21.jpg 200px Explorer XXI satellite Category:Spacecraft

... DISCOVERER: THE STORY OF A SATELLITE''' by Chester, M. and S. B. Kramer ''New York, 1960: ... written for the younger reader, the book provides a good text-pictorial account of the Discoverer program, the only one available in the book literature. Extracted from the 1962 Publication ''Annotated ...

Image:Discoverer13.jpg 200px Discoverer XIII satellite being presented to President Eisenhower Category:Spacecraft

Image:Discoverer14.jpg 200px Discoverer XIV satellite Category:Spacecraft

File:SL-4_DOY333_TVXX1_Cannister_Reload.mp4 Category:Movie Books Live TV From the Moon by Dwight Steven-Boniecki and Live TV From Orbit by Dwight Steven-Boniecki Image:9781926592169.jpg '''Buy This Book''' http://apogeebooks.com/Books/9781926592169.html Click here Image:9781926837284.jpg '''Buy This Book''' http://www. ...

USAF Discoverer XXI fired into polar orbit, and Agena B restarted in flight after first orbit. February 1961 ...

... orbits. Satellites were one Lin­coln Experimental Satellite ''(Les VI)'', two Environmental Research Satellites ''(Ers XXI, also called OV V-4; and Ers XXVIII, also called OV V-2)'', and one ... .4-mi ''(35,464.9-km)'' perigee, 1,428-min period, and 3° inclination. Ers XXI ''(OV V-4)'', which would conduct research on heat transfer in liquids at zero gravity ...

NASA EXPLORER XXI scientific earth satellite ''(IMP B)'' was launched into orbit from Cape Kennedy with a Thor- ... not provided the required thrust. Designed and built by NASA Goddard Space Flight Center , EXPLORER XXI contained nine experiments. Five of these were provided by GSFC researchers and four by experimenters ...

U.S.S.R. orbited COSMOS XXI , "intended for continued space research." Orbital data : apogee, 229 km. (142 mi.); perigee, 195 km. ( ...

... recently that last year there were 13 consecutive failures of the Atlas. In addition, the Discoverer project took 13 at-tempts to recover its first payload from orbit. Polaris experienced 5 ... flights helped improve later flights. Although I believe Skybolt was dropped for other reasons, Atlas , Discoverer, and Polaris all went on to become vital elements in the defense posture of this ...

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