Physical Studies of Minor PlanetsTom Gehrels Scientific and Technical Information Office, National Aeronautics and Space Administration, 1972 - 687 Seiten " ... Some papers and discussions included in this book even though they were not presented at the meeting. In some respects, therefore, the book is independent of the colloquium. Several papers had been invited long beforehand with the request to publish them as review papers. The lack of a modern textbook on minor planets is keenly felt, and the proceedings of this meeting, with these additions, should provide a good reference book."--Page viii. |
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DISCUSSION MARSDEN: Does the 9:2 resonance with Jupiter (or 2:3 resonance
with Mars) really have a decisive influence on the motions of the Hungaria
asteroids? WILLIAMS: These are only approximate commensurabilities and
probably ...
DISCUSSION MARSDEN: Does the 9:2 resonance with Jupiter (or 2:3 resonance
with Mars) really have a decisive influence on the motions of the Hungaria
asteroids? WILLIAMS: These are only approximate commensurabilities and
probably ...
Seite 234
We further note from the figure that Venus and Earth with T^ 3 X 10° K were
probably the only terrestrial planets that thoroughly melted. Mercury and Mars
with T^' 1100 to 1800 K only partially melted. The Moon with T^- 600 to 1000 K
probably ...
We further note from the figure that Venus and Earth with T^ 3 X 10° K were
probably the only terrestrial planets that thoroughly melted. Mercury and Mars
with T^' 1100 to 1800 K only partially melted. The Moon with T^- 600 to 1000 K
probably ...
Seite 442
Probably the primitive component consists mainly of the debris of spontaneously
disintegrating comets, with an unknown asteroidal contribution. Comets are rich
in volatiles and hence almost certainly are of primitive composition. However ...
Probably the primitive component consists mainly of the debris of spontaneously
disintegrating comets, with an unknown asteroidal contribution. Comets are rich
in volatiles and hence almost certainly are of primitive composition. However ...
Seite 483
0.18 These are probably overestimates, being based on the initial orbit only.
Monte Carlo calculations, which consider the change in collision probability after
each orbital change in planetary encounters, sometimes give lifetimes up to an ...
0.18 These are probably overestimates, being based on the initial orbit only.
Monte Carlo calculations, which consider the change in collision probability after
each orbital change in planetary encounters, sometimes give lifetimes up to an ...
Seite 503
ASTEROID RENDEZVOUS MISSIONS D. F. BENDER AWD R. D. BOUR KE Jet
Propulsion Laboratory The earliest flights to concentrate solely on the nature of
particular asteroids will probably be of the simple flyby or rendezvous type. That
is ...
ASTEROID RENDEZVOUS MISSIONS D. F. BENDER AWD R. D. BOUR KE Jet
Propulsion Laboratory The earliest flights to concentrate solely on the nature of
particular asteroids will probably be of the simple flyby or rendezvous type. That
is ...
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Häufige Begriffe und Wortgruppen
albedo angle Apollo appears approach approximately assumed asteroid belt asteroids Astron bodies brightness calculated Ceres chondrites close collisions cometary comets compared complete considered constant corrections curve density depends determined diameter direction discussed distance distribution dust Earth effect electric elements equation Eros estimate families field Figure fragments function Gehrels given Icarus impact important included increase indicate interplanetary Jupiter known larger less light lightcurve limit lunar magnitude Mars mass material mean measurements meteorites minor planets mission Moon motion NASA objects observed obtained opposition orbits origin particles percent period phase photometry polarization position possible present probably problem properties radius range REFERENCES reflectivity relation relative rotation sample scattering selection shown similar smaller solar solar system space spacecraft stream suggested surface velocity Vesta