English Explanatory Dictionary

Bortle scale

English dictionary entry

Meanings

name
  1. A nine-level numeric scale that measures the night sky's brightness of a particular location.

Word forms

Bortle scale the Bortle scale

Etymology

Named after John E. Bortle, who created the scale.

This entry uses open data from Wiktionary (CC BY-SA/GFDL). Word forms are used for search and are not indexed as separate pages.
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