Exploring the Unknown: Selected Documents in the History of the U.S. Civil Space Program, Volume 1NASA, 1995 - Astronautics |
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Page 6
... increase , with 79 reported in 1947 , and remained stable until 1951 , when 1,501 were recorded . There seems to be a direct tie between public perception of the reality of space travel and these UFO sightings , especially when ...
... increase , with 79 reported in 1947 , and remained stable until 1951 , when 1,501 were recorded . There seems to be a direct tie between public perception of the reality of space travel and these UFO sightings , especially when ...
Page 55
... increase , if we live with all our might with the thirty or forty people next to us , telegraphing kindly to all other people , to be sure ? Can it be possible that our passion for large cities , and large parties , and large theatres ...
... increase , if we live with all our might with the thirty or forty people next to us , telegraphing kindly to all other people , to be sure ? Can it be possible that our passion for large cities , and large parties , and large theatres ...
Page 60
... increases the forces acting on the envelope dominate more and more over the resistance of the material . Raising ... increase with altitude . The divisor in the last column indicates the degree of difficulty in constructing a balloon ...
... increases the forces acting on the envelope dominate more and more over the resistance of the material . Raising ... increase with altitude . The divisor in the last column indicates the degree of difficulty in constructing a balloon ...
Page 61
... increase in relative gravity in the projectile , decreases with increasing barrel length if V is constant , i.e. , the longer the can- non the greater the safety of the instruments during the firing of the projectile . But even if the ...
... increase in relative gravity in the projectile , decreases with increasing barrel length if V is constant , i.e. , the longer the can- non the greater the safety of the instruments during the firing of the projectile . But even if the ...
Page 64
... increase in relative gravity in ascending to 300 km . c ) Another important advantage of the rocket is that its velocity can be made to increase at a desired rate and in a desired direction ; it may be kept constant ; or it may ...
... increase in relative gravity in ascending to 300 km . c ) Another important advantage of the rocket is that its velocity can be made to increase at a desired rate and in a desired direction ; it may be kept constant ; or it may ...
Common terms and phrases
acceleration Administrator Aeronautics and Space agencies Air Force air resistance altitude Apollo applications atmosphere booster Brick Moon budget calculations capability chamber Committee cosmic rays cost Department of Defense direction Document title Earth orbit earth satellite earth's atmosphere effective Eisenhower energy engineering experiments exploration ft/sec fuel funding future gravity Haliburton Historical Reference Collection increase International Geophysical launch vehicles liquid lunar lunar landing M₁ Mars ment miles military million missile missions NASA Historical Reference NASA's national security national space objectives observations obtained operations outer space payload planet possible present President problems projectile projects propellant propulsion reconnaissance rocket Satellite Vehicle Saturn scientific scientists solar sounding rocket Soviet Soviet Union space activities space flight space policy space program Space Shuttle space station Space Task Group spacecraft surface tion tube United unmanned velocity weight Wernher von Braun
Popular passages
Page 612 - The preservation of the role of the United States as a leader in aeronautical and space science and technology and in the application thereof to the conduct of peaceful activities within and outside the atmosphere...
Page 453 - I believe that this nation should commit itself to achieving the goal, before this decade is out, of landing a man on the moon and returning him safely to earth. No single space project in this period will be more exciting, or more impressive to mankind, or more important for the long-range exploration of space; and none will be so difficult or expensive to accomplish.
Page 365 - States to the United Nations Ad Hoc Committee on the Peaceful Uses of Outer Space.
Page 368 - States offer to the Committee on Space Research (COSPAR) of the International Council of Scientific Unions to launch scientific experiments or complete satellites prepared by scientists of other nations.
Page 3 - Newton's law of gravitation states that every particle in the universe attracts every other particle with a force which is directly proportional to the product of the two masses and inversely proportional to the square of the distance between them, the direction of the force being in the line joining the two points (ref.
Page 333 - Fourth, space technology affords new opportunities for scientific observation and experiment which will add to our knowledge and understanding of the Earth, the solar system, and the universe.
Page 343 - The Administrator shall determine, and promulgate regulations specifying, the terms and conditions upon which licenses will be granted by the Administrator for the practice by any person (other than an agency of the United States) of any invention for which the Administrator holds a patent on behalf of the United States.
Page 428 - Do we have a chance of beating the Soviets by putting a laboratory in space, or by a trip around the moon, or by a rocket to land on the moon, or by a rocket to go to the moon and back with a man? Is there any other space program which promises dramatic results in which we could win?
Page 6 - Once the rockets are up, who cares where they come down — that's not my department, says Wernher von Braun.
Page 454 - But in a very real sense, it will not be one man going to the moon — if we make this judgment affirmatively, it will be an entire nation. For all of us must work to put him there.