Dictionary
Thesaurus
Encyclopedia
Translator
Web
Related Searches
Nearby Words

astronomical twilight

 - 1 dictionary result

astronomical twilight

 
Use astronomical twilight in a Sentence
–noun
either of two periods of partial darkness, after sunset or before sunrise, when the center of the sun is more than 6° but less than 18° below the horizon.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To astronomical twilight
Search another word or see astronomical twilight on Thesaurus | Reference
FacebookTwitterFollow us:
Partner Sites:
Ask AnswersEviteExpediaHotelsHotwireLife123LiveDailyMy Way