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2 articles for "Umbra"
Umbra [Astro*Index]The umbra is the cone of total darkness created by the Earth's shadow. When the Moon enters into the umbra completely, it is totally eclipsed. If it only partially enters into it, then it is partially eclipsed.
See also: ♦ Total Lunar Eclipse ♦ Partial Lunar Eclipse ♦ Umbral EclipseUmbra [Munkasey M.]
The complete shadow or darkness portion of an Eclipse.
See also: ♦ Total Lunar Eclipse ♦ Partial Lunar Eclipse ♦ Umbral Eclipse
Astro*Index Copyright © 1997 Michael Erlewine