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

Do you have the vision to beat our star cluster quizzes or will you stay hidden?

Stars

ZapStacks

5

Zaps

100

Thousands of stars bound by gravity, one wrong answer to take you down. From the shimmering Pleiades to the dense core of Omega Centauri, these stellar swarms demand precision. The clock is ticking. Can you distinguish a globular from an open cluster before the fuse burns out?

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ZapStacks

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 ZapCores 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.