Planetary System

  • Albrecht Unsöld
Part of the Heidelberg Science Library book series (HSL)


The planets that have been known since ancient times (with their time-honoured symbols) are Mercury ф, Venus ♀, Mars ♂, Jupiter φ, and Saturn ђ. Mankind has continually sought to transform the apparent capriciousness of their paths into a gradual unfolding of regularities.


Orbital Element Solar Eclipse Planetary System Astronomical Unit Planetary Motion 
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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Copyright information

© Springer-Verlag New York Inc. 1969

Authors and Affiliations

  • Albrecht Unsöld
    • 1
  1. 1.Institute for Theoretical Physics and University ObservatoryKielGermany

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