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Polaris

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About Polaris

Polaris, the North Star, sits almost directly above Earth's north pole, making it a critical navigation reference for centuries. It is actually a triple star system.

Mass
5.4 solar masses
Role
Current North Star
Type
Yellow supergiant (F7Ib)
Luminosity
~2,500 × Sun

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Learn the Science: Read our complete educational breakdown on Stars & Stellar Evolution.Historical Archive: Track past occurrences of this cosmic phenomenon.Live Telemetry: Jump to the real-time Kp index & solar wind command matrix.

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