Southern Triangle

noun

Astronomy.

1. the constellation Triangulum Australe.

Word History and Origins

Origin of Southern Triangle¹

First recorded in 1870–75

Example Sentences

Triangulum Australis, the Southern Triangle, is a small constellation north of Apus, and south of Norma.

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Then, as the crater widened, appeared Fomalhaut of the Fish, the Southern Triangle, and lastly, nearly at the Antarctic Pole, the glittering Southern Cross, which replaces the Polar Star of the Northern Hemisphere.

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