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Neith. Artwork of the hypothetical planet Neith (grey) during a close approach (conjunction) with Venus (yellow). The existence of Neith was suggested in 1884 by M. Hozeau, former director of the Royal Observatory of Brussels, after he analysed unconfirmed observations of an object close to Venus. Previous astronomers claimed it was Venus's moon, but Hozeau suggested that it was a planet with an orbital period of 283 days whose path placed it in conjunction with Venus about once every 1080 days (2.96 years). In 1887 the Belgian Academy of Sciences analysed every reported sighting, and showed that most cases were actually caused by a star appearing near Venus.
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