Occultation

Definition and stakes

Portrait of Robert Stawell Ball Robert Stawell Ball,  In the High Heavens (1910)

“ At another time we note how the wanderer vanishes by occultation behind the body of the great globe around which it revolves. Then, too, there are the singularly delicate and beautiful phenomena of the transits of the satellites in front of the planet. In this case not only is the satellite itself often to be traced in the act of crossing, but, as a far more striking manifestation, its dark shadow is thrown on the brilliant globe. ”
Source: Wikisource

George F. Chambers,  The Story of Eclipses

“ A transit is the passing of a primary planet across the Sun, or of a secondary planet (i.e. satellite) across its primary, whilst an occultation is the concealment of a star by the Moon, or of a secondary planet (i.e. satellite) by its primary. A little thought given to this definition will make it [236] clear that a transit is essentially the same in principle as an eclipse of the Sun by the Moon—one body comes in front of another, and the former conceals in succession parts of the latter. ”
Source: Gutenberg

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