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period luminosity relation

 - 1 dictionary result

pe⋅ri⋅od-lu⋅mi⋅nos⋅i⋅ty rela⋅tion

[peer-ee-uhd-loo-muh-nos-i-tee]
–noun Astronomy.
the relationship between the period of light variation and of the absolute magnitude of Cepheid variable stars.

Origin:
1945–50
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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