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What is Piscis Austrinus mean?
Piscis Austrinus is a constellation in the southern celestial hemisphere. The name is Latin for "the southern fish", in contrast with the larger constellation Pisces, which represents a pair of fishes. Before the 20th century, it was also known as Piscis Notius. Piscis Austrinus was one of the 48 constellations listed by the 2nd-century astronomer Ptolemy, and it remains one of the 88 modern constellations. The stars of the modern constellation Grus once formed the "tail" of Piscis Austrinus. In 1597 (or 1598), Petrus Plancius carved out a separate constellation and named it after the crane.
Its only star brighter than 4th magnitude is Fomalhaut, the 18th-brightest star in the night sky. Surrounded by a circumstellar disk, it was announced as having a planet in 2008, though this discovery has been challenged. Lacaille 9352 is the brightest red dwarf star in the night sky; two super-Earths were discovered to be orbiting it in 2020. The BL Lacertae object PKS 2155-304 is one of the brightest blazars in the sky.
referencePosted on 17 Dec 2024, this text provides information on Miscellaneous in Academic & Science related to Academic & Science. Please note that while accuracy is prioritized, the data presented might not be entirely correct or up-to-date. This information is offered for general knowledge and informational purposes only, and should not be considered as a substitute for professional advice.
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