ecliptic
Definition from Wiktionary, a free dictionary
[edit] English
[edit] Noun
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Singular |
Plural |
ecliptic (plural ecliptics)
- (astronomy): The geometric plane that contains the sun and the orbit of the Earth. Thus, the apparent path of the sun in the sky. So named because an eclipse can occur only when the Moon lies on this plane.
[edit] Translations
Earth's orbital plane
