Ara
About Ara
The Altar. One of the 48 constellations listed by Ptolemy in the second century. In Greek myth it was the altar where the gods swore allegiance before their war against the Titans. Mu Arae is a Sun-like star with several known planets. NGC 6397 is one of the closest globular clusters to Earth. Westerlund 1, one of the most massive young star clusters in the Milky Way, lies in Ara.
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