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A telescope, two large spheres, and a star chart are grouped with stars and constellation lines.

How many star clusters can you identify before the ZapRush timer shuts you down?

Endless Mode

Zap Pool

100

Record

3

by chris_047 in 21s

Think your knowledge of star clusters is stellar? Prove it. Gravity is pulling you into a non-stop barrage of questions where one slip-up ends the streak. Navigate open clusters and globular giants in this infinite trivia challenge. Stay sharp, move fast, and outshine the rest.

Endless trivia - one wrong answer and it's over

Sign in or create an account, 5 free runs daily

ZapStacks in Star Clusters

A telescope points toward a central sun-like object surrounded by clusters of small circles and a large dark ring.
Globular Clusters
20 Zaps · Hard
A cluster of astronomy-themed icons including a telescope, compass, star map, and several multi-pointed stars.
Hyades Star Cluster
20 Zaps · Hard
A geometric illustration of a telescope next to a large orange circle and many smaller circles in earth tones.
Omega Centauri
20 Zaps · Hard
A collection of astronomy-themed objects including telescopes, a ringed planet, and a star chart scroll against a geometric, rocky background.
Orion Nebula Cluster
20 Zaps · Hard
A telescope on a tripod stands in front of a star map scroll with several eight-pointed star shapes floating above.
Pleiades Star Cluster
20 Zaps · Medium

More ZapRush in Stars

A collection of astronomical tools including a telescope, an astrolabe, a celestial globe, a star map scroll, and a crescent moon.
Stylized astronomical tools including a telescope, a star chart of Orion, and a celestial globe.
Stylized graphic shapes including a spiral, a starburst, and two circles in shades of orange, cream, and dark gray.
A large orange planet, a ringed planet, a star, and a cluster of geometric shapes.