[go: up one dir, main page]
More Web Proxy on the site http://driver.im/Jump to content

astronomical twilight

From Wiktionary, the free dictionary

English

[edit]

Noun

[edit]

astronomical twilight (countable and uncountable, plural astronomical twilights)

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

Translations

[edit]