Constellation characteristics of Sagittarius australis

Sagittarius, one of the southern constellations, was originally the largest constellation. It was divided into four constellations in the18th century: Vela, Carina, Tailstock and Compass. It contains the second bright star "Old Star" in the whole day after Sirius. In ancient Greek mythology, this constellation has more than 800 stars visible to the naked eye, almost equivalent to one-eighth of the number of stars visible all day! Carrying the great hero Jason and others to Argo, golden fleece, she braved the wind and waves in the sea, but even when she arrived in heaven, she was still full of momentum! Unfortunately, the good times did not last long. /kloc-in the 0 th and 8 th centuries, astronomers thought that the South Pier was too big, so they divided it into four parts, namely the stern, the base, the sail and the compass. The word Sagittarius is rarely mentioned, but the achievements of Argo and his heroes are deeply imprinted in people's hearts.