Astro*Dictionary by Michael Erlewine
1 article for "Semiduration, Eclipse"
Semiduration, Eclipse [Astro*Index]The duration of any of the portions of an eclipse; i.e. partial, total, penumbral, umbral, etc.
See also: ♦ Partial Eclipse ♦ Total Eclipse ♦ Penumbral Eclipse ♦ Umbral Eclipse
Astro*Index Copyright © 1997 Michael Erlewine