Usually means: Sun 12 to 18 degrees below.
Definitions Related words Mentions
We found 13 dictionaries that define the word astronomical twilight:

General (8 matching dictionaries)
  1. astronomical twilight: Merriam-Webster
  2. astronomical twilight: Collins English Dictionary
  3. astronomical twilight: Wiktionary
  4. astronomical twilight: Infoplease Dictionary
  5. astronomical twilight: Dictionary.com
  6. Astronomical twilight: Wikipedia, the Free Encyclopedia
  7. astronomical twilight: TheFreeDictionary.com
  8. astronomical twilight: Merriam-Webster

Computing (1 matching dictionary)
  1. astronomical twilight: Encyclopedia

Science (2 matching dictionaries)
  1. Astronomical Twilight: Eric Weisstein's World of Astronomy
  2. Astronomical Twilight: Extragalactic Astronomy

Tech (2 matching dictionaries)
  1. Basics of Space Flight Glossary (No longer online)
  2. Glossary of Meteorology (No longer online)

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Definitions from Wiktionary (astronomical twilight)

▸ noun:  The period in which the sun is between 12° and 18° below the horizon in the morning and evening.

Similar:
twilight zone, blue hour, midnight sun, light time, nonagesimal, starset, gegenschein, civil time, moonset, diurnal aberration, more...

Opposite:
nautical twilight, civil twilight, dawn, sunrise

▸ Words similar to astronomical twilight

▸ Usage examples for astronomical twilight

▸ Idioms related to astronomical twilight

▸ Wikipedia articles (New!)

▸ Words that often appear near astronomical twilight

▸ Rhymes of astronomical twilight

▸ Invented words related to astronomical twilight

Similar:
twilight zone, blue hour, midnight sun, light time, nonagesimal, starset, gegenschein, civil time, moonset, diurnal aberration, more...

Opposite:
nautical twilight, civil twilight, dawn, sunrise



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