Astronomy and Astrophysics – Astrophysics
Scientific paper
May 1997
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997adspr..19..181f&link_type=abstract
Advances in Space Research, Volume 19, Issue 1, p. 181-186.
Astronomy and Astrophysics
Astrophysics
4
Scientific paper
The known asteroid population spans some five orders of magnitude in sizes, up to a diameter of about 900 km. As a consequence, it happens to include the transition from the shape regime dominated by material strength, to that controlled by self-gravitational forces. Most small asteroids are probably irregular rocky boulders, generated by catastrophic fragmentation events, while the largest ones would instead look like regularly-shaped small planets. However, there are probably exceptions to this rule, due to variations in self-gravity, material properties and collisional history. In the intermediate transition range, in particular, a variety of shapes and surface morphologies are probably present.
Farinella Paolo
Zappala Vincent
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