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

✨ Constellation

Leo

The Lion, whose head is a backwards question mark of stars.

Name means: The Lion
Best seen: April evenings
Where to see it: Almost everywhere on Earth
Brightest star: Regulus
Stars in the pattern: 9

Shapes to look for

The Sickle. A backwards question mark that outlines the Lion’s head and mane, with bright Regulus as the dot.

Did you know?

The hook of stars called the Sickle marks the lion’s head and mane.
Regulus, its brightest star, spins so fast that it is squashed into an egg shape.

More NASA photos of LeoStraight 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. Taurus The Bull, with red Aldebaran as its glowing eye.

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