description Nunki Overview
Nunki is the traditional name of Sigma Sagittarii, a prominent star in the constellation Sagittarius. It is a hot, blue-white B-type main-sequence star located roughly 228 light-years from Earth and forms part of the Teapot asterism. Nunki is the second-brightest star in Sagittarius by apparent magnitude and is included among the 58 stars traditionally selected for celestial navigation.
help Nunki FAQ
What constellation is Nunki in?
Nunki is located in the constellation Sagittarius. Its formal astronomical designation is Sigma Sagittarii, and it is the second-brightest star in the constellation.
How far is Nunki from Earth?
Nunki is located approximately 228 light-years from Earth. It is a hot, blue-white B-type main-sequence star, significantly more luminous and massive than the Sun.
Is Nunki part of the Teapot asterism?
Yes, Nunki forms part of the Teapot asterism, a recognizable star pattern within Sagittarius. It is one of the brighter stars making up this well-known celestial arrangement in the southern sky.
Can you see Nunki with the naked eye?
Yes, Nunki is visible to the naked eye under reasonably dark skies, as it has an apparent magnitude of roughly 2. Its brightness places it among the more easily observable stars in Sagittarius.
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