Astronomy and Astrophysics – Astronomy
Scientific paper
Jun 1987
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987baicz..38..156p&link_type=abstract
Astronomical Institutes of Czechoslovakia, Bulletin (ISSN 0004-6248), vol. 38, June 1987, p. 156-163.
Astronomy and Astrophysics
Astronomy
4
Atmospheric Entry, Comets, Fireballs, Meteor Trails, Meteoritic Composition, Carbonaceous Chondrites, Planetary Evolution, Solar System, Vertical Distribution, Comets, Origin, Classification, Meteors, Meteoroids, Structure, Size, Theoretical Studies, Carbonaceous Chondrites, Astronomy, Hypothesis, Earth-Based Observations, Parameters, Calculations, Altitude, Orbits, Ordinary Chondrites, H Chondrites, L Chondrites, Ablation
Scientific paper
The fireball classification based on their end heights has proved to be an outstanding criterion for distinguishing the quality of the material of meteoroids. But only the theory of end heights can quantitatively determine the previously ascertained structural differences. Among meteroids larger than 0.1 kg, the authors have not been able to prove primordial materials different from the known meteorites. As approximately 30 percent of fireballs are of a cometary origin, comets may be not of primordial but probably of planetary origin.
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