| Serpens (The Serpent) |
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One of the 48 constellations listed by Ptolemy (c. AD 140) and unique in that it is split into two parts, one either side of Ophiuchus (The Serpent Bearer). The two parts are known as Serpens Caput (the head) and Serpens Cauda (the tail). In all, Serpens contains nine stars brighter than fourth magnitude. See also: Table 4. |