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Far from any lights, the sky fills with stars. Drawn from real star positions; bigger dots are brighter stars. See it from a city or the suburbs in the app.

✨ Constellation

Gemini

The Twins, Castor and Pollux, side by side.

Name means: The Twins
Best seen: February evenings
Where to see it: The northern half of Earth, and the tropics south of the equator
Brightest star: Pollux
Stars in the pattern: 12

Did you know?

Castor looks like one star but is really six stars circling each other.
The Geminid meteor shower, one of the best of the year, seems to come from here every December.

More NASA photos of GeminiStraight from NASA’s image library, in the app

Explore more

All of night sky

Orion The Hunter, with three bright stars in a row for his belt. Ursa Major The Great Bear, home of the Big Dipper. Ursa Minor The Little Bear, with Polaris at the tip of its tail. Cassiopeia A bright W of five stars, named after a boastful queen. Scorpius The Scorpion, with red Antares at its heart. Leo The Lion, whose head is a backwards question mark of stars.

Facts: Star patterns: d3-celestial (IAU figures, Hipparcos star data). Stories: traditional Greek and Roman myths. Open Gemini in the app.