"Caelum", meaning "Chisel" or "Burin" is a constellation (albeit one of the more smaller, uninteresting ones) which was defined by the 18th century astronomer Nicolas Lacaille. It can be barely seen in winter above the southern horizon. The "Chisel" is the tool of Sculptor, a constellation west of Eridanus, near the star 41 Eri. None of the stars are named.

Sketch:

               o
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                  o
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                  o
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                     o

Caelum is the latin word meaning both chisel and sky, though not strictly the sky. It's in the second declension, and is masculine. Earlier versions of the word include coelum and caelus. Caelum also appears to be related to the Greek word koilos, meaning hollow. The sky meaning also formed out of koilos, as the sky can be thought of as a hollow sphere.


thanks Gritchka

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