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Dark moon

Last visible crescent of a waning moon

Texte en anglais

The term dark moon describes the last visible crescent of a waning Moon. The duration of a dark moon varies between 1.5 and 3.5 days, depending on its ecliptic latitude. In current astronomical usage, the new moon occurs in the middle of this dark period, when the Moon and Sun are in conjunction.

Sur Wikipédia

Texte en anglais Pas encore d'article dans ta langue : extrait en anglais.

The term dark moon describes the last visible crescent of a waning Moon. The duration of a dark moon varies between 1.5 and 3.5 days, depending on its ecliptic latitude. In current astronomical usage, the new moon occurs in the middle of this dark period, when the Moon and Sun are in conjunction. This definition has entered popular usage, so that calendars will typically indicate the date of the "new moon" rather than the "dark moon".

Texte : Wikipédia en anglais, CC BY-SA 4.0. · Image : Henrykus (Public domain) ·

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