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How far away is Fang (π Scorpii) from Earth?
The π Scorpii system lies roughly 590 light-years from Earth in the constellation Scorpius. Its distance has been refined through measurements from the Hipparcos mission era.
Why is π Scorpii called 'Fang'?
The name comes from the Chinese lunar mansion Fang (房, 'the Room'), one of the traditional Chinese sky divisions near the heart of the Azure Dragon constellation. π Scorpii belongs to this asterism, so the mansion's name was applied to the star.
What kinds of stars make up the Fang system?
π Scorpii is a triple system dominated by hot, blue-white B-type stars in a close binary plus a more distant third component. The system is considered part of the Scorpius-Centaurus association, the nearest massive stellar grouping to the Sun.
Can you see Fang with the naked eye?
Yes. With a combined apparent magnitude of about 2.9, π Scorpii is easily visible without optics under a dark sky. Look for it near Graffias (β Scorpii) in the northern part of Scorpius, in the cluster of stars forming the scorpion's head.
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