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 165
... radar only since 1961. Since that time the techniques and capability of radar have evolved rapidly and many important new facts about Venus have been gathered . Further , the more distant and difficult targets , Mercury and Mars , have ...
... radar only since 1961. Since that time the techniques and capability of radar have evolved rapidly and many important new facts about Venus have been gathered . Further , the more distant and difficult targets , Mercury and Mars , have ...
Seite 169
... radar view . These features have high radar contrast to the surrounding areas , and have a much stronger ability to depolarize radar waves . It is not known whether they are mountains or craters or some other formation such as lava ...
... radar view . These features have high radar contrast to the surrounding areas , and have a much stronger ability to depolarize radar waves . It is not known whether they are mountains or craters or some other formation such as lava ...
Seite 171
... Radar . Astron . J. 69 , 12-18 . Goldstein , R. M. 1969 , Radar Observations of Icarus . Icarus 10 , 430 . Goldstein , R. M. 1970 , Radio and Radar Studies of Venus and Mercury . Radio Science 5 ( 2 ) , 391 . Pettengill , G. H. ...
... Radar . Astron . J. 69 , 12-18 . Goldstein , R. M. 1969 , Radar Observations of Icarus . Icarus 10 , 430 . Goldstein , R. M. 1970 , Radio and Radar Studies of Venus and Mercury . Radio Science 5 ( 2 ) , 391 . Pettengill , G. H. ...
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 craters curve density determined diameter discussed distance Dohnanyi Dollfus Earth ecliptic effect Ephemeris equation Eros families Figure flyby fragments function Gehrels Geophys gravity 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 meteoroid 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 planetary planetoids polarization pole propulsion radius range relative rotation sample satellites scattering semimajor axis solar nebula solar system space spacecraft stream surface target telescope trajectory Trojans velocity Vesta wavelength Whipple Zodiacal Light