Concept information
Preferred term
Antumbra
Definition
- That part of the Moon's shadow that extends beyond the umbra. It is similar to the penumbra in that the Sun is only partially blocked by the Moon. From within the antumbra, the Sun appears larger than the Moon which is seen in complete silhouette. An annular eclipse is seen when an observer passes through the antumbra. (en)
Broader concept
- Eclipses (en)
Editorial note
URI
http://astrothesaurus.org/uat/49
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