Results 51 to 60 of about 4,010 (185)
Space missions to comets [PDF]
The broad impact of a cometary mission is assessed with particular emphasis on scientific interest in a fly-by mission to Halley's comet and a rendezvous with Tempel 2.
Brandt, J. C. +3 more
core +1 more source
The ESA mission to Comet Halley [PDF]
The Europeon Space Agency's approximately Giotto mission plans for a launch in July 1985 with a Halley encounter in mid-March 1986 4 weeks after the comet's perihelion passage.
Reinhard, R.
core +1 more source
Existing cometary data and future needs [PDF]
To assist scientists studying comets and their interaction with the interplanetary medium, compilations of existing cometary observations and data plans for additional publication are reported.
Rahe, J.
core +1 more source
86th Annual Meeting of the Meteoritical Society (2024)
Meteoritics &Planetary Science, Volume 59, Issue S1, Page A1-A468, August 2024.
wiley +1 more source
Extended performance solar electric propulsion thrust system study. Volume 1: Executive summary [PDF]
Several thrust system design concepts were evaluated and compared using the specifications of the most advanced 30 cm engineering model thruster as the technology base.
Hawthorne, E. I., Poeschel, R. L.
core +1 more source
Field Museum of Natural History bulletin. [PDF]
, 1987 v.
Chicago Natural History Museum. +2 more
core +4 more sources
Modern techniques for making cometary astrometric observations, reducing these observations, using accurate reference star catalogs, and computing precise orbits and ephemerides are discussed in detail and recommendations and suggestions are given in ...
Harrington, R. S. +3 more
core +1 more source