Search wiki using Sphinx

Jump to: navigation, search

... designed vacuum chamber at NAA’S Rocketdyne Propulsion Field Laboratory. ''(MSFC Historian, 5/22/63)'' EXPLORER XVI meteoroid detector satellite recorded 16 punctures by meteoroids during its first 29 days in orbit ... of meteoroid research programs in NASA office of Advanced Research and Technology, said that with EXPLORER XVI “we have established conclusively that there are micrometeoroids out there which can penetrate thin surfaces ...

... of EXPLORER XVI meteoroid hazard experiments. Principal conclu­sion expressed by Dr. Fred L. Whipple , Director of the Smithsonian Astrophysical Observatory, was that in its 71/2 months of useful lifetime EXPLORER XVI demonstrated ... so massive a disillusionment as would follow a political default on our commitments in space exploration." ''(AP, Wash,. Post, 10/25/63)'' DOD confirmed that Australia would buy 24 TFX aircraft ...

... short periods in the near-earth environment, a NASA report indicated. Based on data from EXPLORER's XVI and XXIII and PEGASUS I and report was presented by Charles T, D'Auitolo ... conducted in Cambridge, Mass, by the Smithsonian Astrophysical Observatory. EXPLORER XVI , launched Dec, 16, 1962, had registered 62 meteoroid penetrations during its lifetime, EXPLORER XXIII , launched Nov, 6, 1964, had reported 103 penetrations ...

... announced EXPLORER XVI meteoroid-detection sat­ellite, launched Dec. 16, 1962, had ceased transmitting usable ex­perimental data On July 25, 1963. Throughout its 71/2 months Of transmitting useful data, EXPLORER XVI fulfilled ...

... goal of a manned lunar landing. It also called for increased international cooperation in space exploration: ". . . The exploration of our universe is a goal too vast, too hazardous, too costly, and too ... on data from EXPLORER XVI satellite it was "not anticipated at this time that meteoroids will constitute a major problem in the planning or scheduling of the first manned lunar exploration." Radiation did ...

... orbital elements: apogee, 614 mi.; perigee 286 mi.; inclination to equator, 52°; period, 99 min. EXPLORER XXIII was expected to have a useful lifetime of one year. Its primary purpose was ... the atmosphere between 25,000 and 40,000 ft. The spacecraft was the successor to EXPLORER XVI ''(S-55b)'', launched Dec. 16, 1962, which made the first statistically significant sampling of meteoroids ...

... was approximately half the rate in near-earth environment as measured by similar detectors aboard Explorer XVI and Explorer XXIII. Each experiment used 20 pressur­ized-cell detectors with total exposed area of ... of scientific and engi­neering aspects of U.S. participation in International Decade of Ocean Exploration planned for 1970s, Science reported. ''(Science, 8/2/68, 447)'' August 1968 August Aug 1 ...

... Post, 11/17/64)'' November 16-18: The Third International Symposium on Bioastronautics and the Exploration of Space, sponsored by the Aerospace Medical Div. of AFSC and organized by the Southwest ... ;" Dr. Fred L. Whipple , Director of the Astrophysical Observatory of the Smithsonian Institution, said that EXPLORER XVI experienced 55 meteoroid punctures during a seven-month period. However, all were in patches of ...

... , "the figures follow closely our statistical computations based on results from PEGASUS I and EXPLORERS XVI and EXPLORERS XXIII XXIII . Continued successful operation of PEGASUS II will give us a good base for ...

... EXPLORER XVI (S-55b) launched into orbit by four-stage Scout vehicle from NASA Wallops Station (initial ...

Powered by Sphinx