Abstract
WE have to derive the state of partial corotation in a way which, by being very simple, stresses its character as a basic state in cosmic plasma dynamics. We also substitute the mass density (m, a) for the number density (n, a) in the plot of asteroids, as a function of their semimajor axis a. This gives a better definition to the limits of the main belt, and demonstrates more clearly that the asteroids—like the Saturnian rings—have condensed from a partially corotating plasma.
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ALFVÉN, H., IP, WH. & BURKENROAD, M. Cosmogony of the asteroidal belt. Nature 250, 634–636 (1974). https://doi.org/10.1038/250634a0
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DOI: https://doi.org/10.1038/250634a0
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