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Caelum
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Caelum

astronomy
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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:
“Chisel”
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Caelum, constellation in the southern sky at about 5 hours right ascension and 40° south in declination. Caelum is a particularly dim constellation; its brightest star is Gamma Caeli, with a magnitude of 4.8. The French astronomer Nicolas Louis de Lacaille formed this constellation in 1754; it represents a burin, an engraving tool with a diamond-shaped point at its tip.

Erik Gregersen