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44. Commission des Observations Astronomiques Au-Dehors de L’Atmosphere Terrestre
Published online by Cambridge University Press: 16 November 2021
Extract
Of the many important developments in space astronomy during the past three years perhaps the most dramatic was the voyage of the Mariner II which passed less than 35 000 km from the surface of the planet Venus on 14 December 1962 and from which valuable measurements were made of the mass and magnetic field of Venus of the structure of its atmosphere and of conditions in the interplanetary medium. A second event of great importance to solar physics was the successful launching in March 1962 of the first of NASA’s Orbiting Solar Observatories’ the first satellite to be especially designed as a stabilized platform for solar observation. Six additional satellites in this series are planned between 1964 and 1966. Striking advances in the range and quality of rocket solar spectra have also been achieved. Soft X-ray spectra have been photographed to a short-wave limit of 13·8Å and the resolving power at longer wavelengths has been improved by as much as a factor of 10.
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- Copyright © International Astronomical Union 1976 1965
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