dirty snowball model


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Related to dirty snowball model: cometary, bolides

dirty snowball model

[¦dər·dē ′snō‚bȯl ‚mäd·əl]
(astronomy)
A model of comet structure in which the nucleus of the comet resembles a large dirty snowball.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.