Constellation Sagittarius | ||
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Similar Sagittarius, Lambda Sagittarii, Delta Sagittarii, Beta Sagittarii, Gamma2 Sagittarii |
The Terebellum, by Ptolemy called τετράπλευρον (/tetrápleuron/), is a quadrilateral of stars in the constellation Sagittarius. It is formed of four 4th magnitude stars, all within two degrees of each other:
The stars are not gravitationally bound to each other as they are at different distances from the Earth.
References
Terebellum (astronomy) Wikipedia(Text) CC BY-SA