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... why a rocket’s velocity is “greater in a vacuum than in the atmosphere”. They both involve the impeding nature of air molecules. Newton's Laws If a rocket accelerates away ... Leitch, Good Words, Strahan, Edinburgh, August, 1861 note 46 ''Alexander Strahan Victorian Publisher'', by Patricia Thomas Srebrnik, Univ. Of Michigan Press, 1986 note 47 ''A Journey ...

... design of earlier rockets by adding rotary thrust, thus providing gyroscopic-like stabilization to his shells. It was the first successful use of spin stabilization for rockets. Both Minié bullets and Hale ... ''Bookseller Gazette'', London, Feb. 26, 1861 note 53 ''Alexander Strahan Victorian Publisher'', by Patricia Thomas Srebrnik, Univ. of Mich Press, 1986 note 54 ''The Story of ...

... have resonated down the decades and is highly reminiscent of the ''Cosmos'' television series created by Cornell astronomer Carl Sagan in the 1980s. It is certainly crystal clear that Leitch understood ... death. Henrietta Leavitt would not discover the special properties of the Cepheid variable until 1912. Both discoveries would help astronomers to get a grip on the size of the visible universe ...

... Rockwood Manitoba for supplying rocket propellant to the Churchill launch site. The site was built by Bristol and Aerojet-General for $2M. i USAF expertise and money flowed into Churchill where ... . This proposed new organization would be both a national advisory body and contracting agency. This was consistent with a recommendation which had been put forth by ''The Royal Commission on Government Organization ...

... both play substantial roles in Canada's space engineering future. Image:100YearsCanadianSlide38.JPG right thumb COM DEV and OPTECH, Michael O'Donovan and Allan Carswell COM DEV had been founded by Valentine ... debris detection radar. Image:100YearsCanadianSlide38b.JPG right thumb COM DEV Multiplexers COM DEV was subcontracted by SPAR to contribute to the European Remote Sensing Satellite as the supplier of microwave components ...

... cancelling one another out. An average of 6.2 messages per second are transmitted by each aircraft, with transmissions alternating between top and bottom quarter-wave monopole antennas. Required ... allow verification of a signal propagation model, while allowing the determination of missed signals, both of which could provide valuable information for an operational constellation. The CanX-7 ADS- ...

... atmosphere of the sun:—Sodium, potassium, magnesium, iron, chromium and nickel. This has been accomplished by means of what is called spectrum analyses. The general principle is readily understood. It is ... intervals between. Each substance is known by the color, number and position of the bands. If there are incandescent substances in the flame, the patterns of both are given, so that they ...

... of the pioneering mission of Skylab 4 but also the personal achievements of its commander both before entering the astronaut programme and after leaving it . With the full assistance of Jerry ... 's space station Skylab that set a new world endurance record that was not surpassed by American astronauts for over 21 years. Born in Denver Colorado in 1932 he gained a ... as an operational USMC jet pilot for over a decade. Selected for the astronaut programme by NASA in April 1966 he received technical assignments in the development of the Apollo Lunar ...

... everyday life in ways most people can't imagine. Thanks to fifty years of effort by these scientists and engineers your life has been improving and is constantly being made safer ... was held in London, in November the same year. Canada was at the table for both the creation and the first plenary meeting. Canada's Fifty Years in Space describes the ... knowledge of space in 1958, gained primarily through observations of the aurora borealis by optical and radar methods. By the time of the International Geophysical Year , 1957-58, Canada was well established ...

... almost inconceivable and are a testament to the youthful spirit of an American people; invigorated by their charismatic President with the promise of a better future-a spacefaring future. Most ... launch dates, mission objectives, flight plans, space suits, life support systems, and triumphs and failures. Both seasoned space buffs and young adults nurturing their interest in the space program will ...

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