An hypothetical planet, much conjectured among ancient astrologers, the orbit of which is supposed to lie inside that of Mercury. Astronomers have so far found no justification for any assumption of its existence.
ASTROLABE ENCYCLOPEDIA


Astrolabe Encyclopedia
An hypothetical planet, much conjectured among ancient astrologers, the orbit of which is supposed to lie inside that of Mercury. Astronomers have so far found no justification for any assumption of its existence.
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