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Delphinus
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Delphinus

constellation
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Written by
Erik Gregersen
Erik Gregersen is a senior editor at Encyclopaedia Britannica, specializing in the physical sciences and technology. Before joining Britannica in 2007, he worked at the University of Chicago Press on the...
Erik Gregersen
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Latin:
“Dolphin”
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Delphinus, small constellation in the northern sky at about 21 hours right ascension and 10° north in declination. The brightest star in Delphinus is Rotanev, with a magnitude of 3.63. The four brightest stars form a diamond-shaped asterism called “Job’s Coffin.” In Greek mythology there are two stories about this constellation. In one, it is the messenger of the sea god Poseidon. In the other, it is the dolphin that rescued the poet Arion from drowning.

Erik Gregersen