Comet Home Page

 

Whipple, F. L. 'The Mystery of Comets"

    Whipple Biography

    Whipple p76 - without some mechanism to replenish them, "eventually all will be lost."

    Whipple p83 - examples of comets disappearing

 

Sagan, C. and Druyan, A., "Comets"

    Sagan p194  - comets disappearing

    Sagan p201 - Oort Cloud not proven

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