Governing equations describing the gas and dust production and the accelerating dusty gas flow in a cometary atmosphere are compiled and compared with the information available on the inner coma of the Halley comet. Cometary dusty gas flow calculations, based on the Probstein (1968) approach, yield a first order differential equation for the gas velocity with only one physical solution possible, which is the one of a transonic accelerating gas 'wind'. According to this model, the comet wind starts subsonically at the nucleus, goes through the singular sonic point, and then accelerates further.
Dusty cometary atmospheres
Advances in Space Research ; 7 , 12 1
1987-01-01
Miscellaneous
No indication
English
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