Results 121 to 130 of about 85,279 (263)
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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Learned modesty and the first lady's comet: a commentary on Caroline Herschel (1787) 'An account of a new comet'. [PDF]
Philos Trans A Math Phys Eng Sci, 2015 Winterburn E.
europepmc +1 more source
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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An Attempt to Determine the Mass of Pluto from Its Disturbing Effect on Halley's Comet [PDF]
, 1942 R. S. Richardson
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Ion Propulsion Module (IPM) technology readiness assessment: 1985 Halley's Comet rendezvous mission [PDF]
An assessment of the risk of utilizing ion propulsion to perform a rendezvous mission with Halley's comet in 1985 is presented, and consideration recommendations for reducing identified risks to the lowest possible level at project start in October 1978 ...
West, J.
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The 15 years of comet photometry: A comparative analysis of 80 comets [PDF]
In 1976, a program of narrowband photometry of comets was initiated that has encompassed well over 400 nights of observations. To date, the program has provided detailed information on 80 comets, 11 of which were observed during multiple apparitions. The
Ahearn, Michael F. +4 more
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THE DISTRIBUTION OF ENERGY PERTURBATIONS FOR HALLEY'S AND SOME OTHER COMETS [PDF]
, 1961 David G. Kendall
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