Future Space Programs: Hearings Before the Committee on Science and Technology, U.S. House of Representatives, Ninety-fifth Congress, Second Session, January 24, 25, 26, 1978U.S. Government Printing Office, 1978 - 986 páginas |
Dentro del libro
Página 76
... missions , we will have to extend the power and duration capabilities of our space systems . We should pro- ceed in ... mission modules for flexible , multipurpose , multiuser ( for example , defense , scientific , and industrial ) ...
... missions , we will have to extend the power and duration capabilities of our space systems . We should pro- ceed in ... mission modules for flexible , multipurpose , multiuser ( for example , defense , scientific , and industrial ) ...
Página 85
... missions than we can afford to use . Hence , the third assumption : Assumption 3 : Technology is no longer the main bottleneck for space exploration and utilization . This assumption needs to be handled with care . It does not mean that ...
... missions than we can afford to use . Hence , the third assumption : Assumption 3 : Technology is no longer the main bottleneck for space exploration and utilization . This assumption needs to be handled with care . It does not mean that ...
Página 86
... missions . The last assumption will be attacked by some groups as unimaginative . As I said , I would just love to be proved wrong . My main point , however , is that a very attractive twenty - year plan can be built , without moving ...
... missions . The last assumption will be attacked by some groups as unimaginative . As I said , I would just love to be proved wrong . My main point , however , is that a very attractive twenty - year plan can be built , without moving ...
Página 88
... missions would begin before the Space Tug is ready . This may sound irrational , since the Tug will make such missions much less expensive . However , I believe the programs can be integrated in such a way that most missions will use ...
... missions would begin before the Space Tug is ready . This may sound irrational , since the Tug will make such missions much less expensive . However , I believe the programs can be integrated in such a way that most missions will use ...
Página 94
... going down until they came back to Earth . Now things like that have to be studied in detail before anybody can talk about low gravity , long - term missions . I am not totally con- vinced myself that humans could even survive for a very ...
... going down until they came back to Earth . Now things like that have to be studied in detail before anybody can talk about low gravity , long - term missions . I am not totally con- vinced myself that humans could even survive for a very ...
Otras ediciones - Ver todas
Términos y frases comunes
activities Aeronautics agencies antenna applications areas believe benefits budget capability Center Chairman Committee on Science communications satellites Congress cost demonstrated earth resources satellite economic effort electrical engineering environment environmental experimental exploration extraterrestrial feasibility funding fusion power future space programs Geological geosynchronous orbit global goal Government High Frontier human initial investment KM² Landsat data launch lunar LUNETTA major maps materials ment microwave million missions NASA NASA's Olin E operational options payloads planet planetary planning potential Powersoletta President private sector problems processing reflectors remote sensing requirements satellite system Science and Technology scientific Seasat SETI Skylab solar energy Solar Power Satellite solar system space colonization space industrialization SPACE LIGHT space science Space Shuttle space technology space transportation spacecraft Spacelab SPS development stations studies surface Teague technical terrestrial tion U.S. Geological Survey utilization
Pasajes populares
Página 784 - 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...
Página 784 - The expansion of human knowledge of phenomena in the atmosphere and space; (2) The improvement of the usefulness, performance, speed, safety, and efficiency of aeronautical and space vehicles; (3) The development and operation of vehicles capable of carrying instruments, equipment, supplies and living organisms through space; (4) The establishment of long-range studies of the potential benefits to be gained from, the opportunities for, and the problems involved in the utilization of aeronautical...
Página 229 - US design but features rather foreign design and manufacture to a US specification. Beyond this, the European Space Agency and the National Space Development Agency of Japan are pursuing active programs in communications satellites at the systems level. This is apparently to accelerate the achievement of a systems capability approaching that of US industry.
Página 698 - FOURTH CONCLUSION SETI IS INTRINSICALLY AN INTERNATIONAL ENDEAVOR IN WHICH THE UNITED STATES CAN TAKE A LEAD The Search for Extraterrestrial Intelligence offers benefits for all nations. The search would certainly be facilitated by, and may even require, international cooperation. It is a serious exploration, as important as any ever undertaken, and surely of larger scope than the journeys to the Earth's poles early in the century.
Página 685 - ... ease of generation, direction and detection. None flies faster, none has less energy and is therefore cheaper than the radio frequency photon. It has long been argued that signals of extraterrestrial origin will be most apt to be detected in the so-called microwave window: wavelengths from about 0.5 to 30 cm. Natural noise sources rise to great height on either side of this window, making it the quietest part of the spectrum for everyone in the Galaxy. We concur with these arguments. (See Section...
Página 496 - A record will be maintained on all maintenance required during the test period, and the transmitted data will be compared with on-site data. Other uses of Data Collection Platforms are noted as follows: - National Park Service is using the GOES system to monitor water quality and weather in the Great Smoky Mountains National Park. - GS Geologic Division is cooperating with NOAA in a study of the Earth's magnetic field. The GOES system is used to relay information from 25 strategically placed magnetometers...
Página 501 - Satellite Image Atlas of Glaciers." The Glaciology Project Office (Tacoma, Washington) of the Water Resources Division (WRD) of the GS and the National Environmental Satellite Service (NESS) of the National Oceanic and Atmospheric Administration (NOAA) are also directly involved in the preparation of the atlas.
Página 681 - ... hints and leads of extraordinary value. They imagine too all sorts of scientific results, ranging from a valid picture of the past and the future of the Universe through theories of the fundamental particles to whole new biologies. Some conjecture that we might hear from near-immortals the views of distant and venerable thinkers on the deepest values of conscious beings and their societies! Perhaps we will forever become linked with a chain of rich cultures, a vast galactic network. Who can say?...
Página 689 - ... been one of the major challenges of a SETI. In the Cyclops system concept the received signal was optically transformed into a high-resolution power spectrum. Since 1971 the growth of large-scale integrated circuit technology has been spectacular. It now appears possible to build, at reasonable cost, solid state fast Fourier analyzers capable of resolving the instantaneous bandwidth into at least a million channels on a real time basis.
Página 434 - ... Interpretation over new areas and regions. Such work saves time and money and gives a substantial basis for new ideas." In 1977 he reported the discovery of a large and thick sequence of sedimentary rocks in southern Sudan that provide a new target for oil exploration, which is now underway (Miller and Vandenakker, 1977). Mosaics of the conterminous United States compiled by the Soil Conservation Service for NASA have been analyzed by US Geological Survey geologists Interested in linear features...