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Concept information

Preferred term

Zenith hourly rate  

Definition

  • The number of meteors expected to be seen under ideal conditions if the radiant of the meteoroid stream is at the zenith of the observer. (en)

Broader concept

Entry terms

  • Zenith hour rate (en)
  • ZHR (en)

Editorial note

URI

http://astrothesaurus.org/uat/1839

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