The Planets

  • Gregory I. Redfern
Part of the The Patrick Moore Practical Astronomy Series book series (PATRICKMOORE)


As of May 2018 there were almost 4000 confirmed planets beyond our Solar System with another 3000 candidates awaiting confirmation. These worlds beyond our Sun’s family of planets, comets and asteroids are called exoplanets. Everywhere we look in the Milky Way Galaxy we see stars that have planets in orbit around them.

Copyright information

© Springer Nature Switzerland AG 2018

Authors and Affiliations

  • Gregory I. Redfern
    • 1
  1. 1.NASA JPL Solar System AmbassadorRuckersvilleUSA

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