Miscellany | Published:


Nature volume 30, page 125 | Download Citation



—The dark satellite transit which I observed on May 18 (NATURE, May 22, p. 77) referred to the fourth satellite and not to the first as described. The three dark spots seen were really the shadows of the first and second satellite and the fourth satellite itself. The first satellite was also projected on the disk of Jupiter at the time of the observation, but it was not seen under the form of a dark spot. The error in the original description arose from a mistake in the identification of the satellites and their shadows, four of which were on the planet at the same time.

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