Results 61 to 70 of about 4,010 (185)
Determination of the observation conditions of celestial bodies with the aid of the DISPO system [PDF]
The interactive system for determining the observation conditions of celestial bodies is described. A system of programs was created containing a part of the DISPO Display Interative System of Orbit Planning.
Kazakov, R. K., Krivov, A. V.
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Comet Halley returns: A teachers' guide 1985-1986 [PDF]
This booklet has been put together as an aid for teachers in elementary and secondary schools. It is divided into two distinct parts. The first part is a brief tutorial which introduces some of the most important concepts about comets, including their ...
Bondurant, R. L., Chapman, R. D.
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Did Halley's Comet Appeared on the Night of Mahavira's Nirvana
, 1985 P. C. Chopra
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Sextant Observations of Halley's Comet made on board s.s. " Clan Urquhart " [PDF]
, 1910 G. A. Neill
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Long slit spectroscopy of NH2 in comets Halley, Wilson, and Nishikawa-Takamizawa-Tago [PDF]
Long-slit spectra of comets Halley, Wilson and Nishikawa-Takamizawa-Tago were obtained with the 3.9 meter Anglo-Australian Telescope. Spectra of comets Halley and Wilson were obtained with the IPCS at a spectral resolution of 0.5 A and a spatial ...
Heyd, Rodney +5 more
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On LAM's and SAM's for Halley's rotation [PDF]
Non principal axis rotation for comet Halley is inferred from dual periodicities evident in the observations. The modes where the spin axis precesses around the axis of minimum moment of inertia (long axis mode or LAM) and where it precesses around the ...
Peale, Stanton J.
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Investigation of plasma density bulge in front of Venus bow shock [PDF]
Significant ion and electron flux enhancements immediately upstream of the Venus bow shock were observed by the Electron Temperature Probe on the Pioneer Venus Orbiter.
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