• Jonathan Shanklin
Part of the Practical Astronomy book series (PATRICKMOORE)


Comets are highly unpredictable, which is one aspect which makes them so interesting to observe; their appearance can change from night to night, and each comet is different. Around twenty comets are usually discovered or recovered each year; of these, perhaps four will come within the range of amateur instruments.


Solar Wind Pupil Diameter Variable Star Comparison Star Faint Star 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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  3. Whipple F L, The Mystery of Comets, Cambridge University Press (1985).Google Scholar
  4. Yeomans D, Comets, John Wiley (1991).Google Scholar

Copyright information

© Springer-Verlag London 1995

Authors and Affiliations

  • Jonathan Shanklin

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