Physical Studies of Minor PlanetsScientific 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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Seite 448
... planetary body such as Mars or the Moon have been proposed , but are very unlikely to be satisfactory . It is hard to see how a fragment of meteoritic size can be accelerated to planetary escape velocities without complete destruction ...
... planetary body such as Mars or the Moon have been proposed , but are very unlikely to be satisfactory . It is hard to see how a fragment of meteoritic size can be accelerated to planetary escape velocities without complete destruction ...
Seite 483
... planetary encounters , sometimes give lifetimes up to an order of magnitude shorter for similar objects . In any case , the lifetimes for orbital change are much shorter than those for planetary collision . Thus it is unlikely that ...
... planetary encounters , sometimes give lifetimes up to an order of magnitude shorter for similar objects . In any case , the lifetimes for orbital change are much shorter than those for planetary collision . Thus it is unlikely that ...
Seite 539
... planets are to be considered at some time in the future , as has long been imagined , it appears to be reasonable to explore the feasibility of carrying out a manned mission to an asteroid as an intermediate step between lunar and planetary ...
... planets are to be considered at some time in the future , as has long been imagined , it appears to be reasonable to explore the feasibility of carrying out a manned mission to an asteroid as an intermediate step between lunar and planetary ...
Inhalt
ASTROMETRIC OBSERVATIONS | 3 |
THE WORK AT THE MINOR PLANET CENTER | 9 |
DIAMETER MEASUREMENTS OF ASTEROIDS | 25 |
Urheberrecht | |
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accretion albedo Alfvén Anders Apollo Apollo 12 Apollo asteroids asteroid belt asteroid families Astron Astrophys axis brightness Brouwer Ceres chondrites collisional collisions cometary comets counterglow curve density determined diameter discussed distance Dohnanyi Dollfus Earth ecliptic effect ephemerides equation Eros families Figure flyby fragments function Gehrels Geophys gravitational heliocentric Houten Icarus impact interplanetary dust iron meteorites jetstream Jupiter km/s Kuiper launch libration lightcurve longitude lunar magnitude Mars Mars-crossing asteroids mass distribution material measurements meteor meteoroids minor planets mission Moon NASA number of asteroids numbered asteroids objects Observatory observed obtained orbital elements Pallas parent bodies particles percent perihelion perturbations phase angle phase coefficient photometric PHYSICAL STUDIES planetary planetoids polarization pole propulsion radius range rotation sample satellites scattering semimajor axis solar nebula solar system space spacecraft stream STUDIES OF MINOR surface trajectory Trojans velocity Vesta wavelength Whipple Zodiacal Light