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单词 apparent magnitude
释义

apparent magnitude

English

Asteroid 65 Cybele and 2 stars with their apparent magnitudes labeled.

Noun

apparent magnitude (plural apparent magnitudes)

  1. (astronomy) a numerical measure of the brightness of a star, planet etc.; a decrease of 1 unit represents an increase in the light received by a factor of 2.512
  • absolute magnitude
  • bolometric magnitude

Translations

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