A stylized astronaut stands surrounded by a telescope, a space capsule, a rocket, and a celestial globe.

Do you have the guts to outlast these legendary Space Pioneers and win quizzes?

Famous Astronomers & Astronauts

ZapStacks

7

Zaps

140

Gagarin took the leap; Tereshkova broke the ceiling. From the heat of the Space Race to the silence of the first EVA, these pioneers staked their lives on a math equation and a prayer. Step into the cockpit, nail the trajectory, and prove you belong among the legends.

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ZapStacks

Flat illustration of an astronaut in an orange suit standing by a rocket, a blueprint, and a crescent moon

Wernher von Braun

20 Zaps · Medium

Flat illustration of a man standing by a chalkboard with math equations, a celestial globe, and a space capsule.

Katherine Johnson

20 Zaps · Medium

An astronaut in an orange and cream suit floats in space, tethered to a large circular hatch with a small planet nearby.

20 Zaps · Hard

An astronaut stands behind a shield with an American flag pattern, surrounded by a space capsule, rockets, and a globe.

20 Zaps · Medium

An astronaut stands in the center of a group of space-themed icons, including a space shuttle, a ringed planet, a satellite, and a robotic arm.

20 Zaps · Medium

An astronaut in an orange suit holds a wrench next to two globes, a space capsule, and a star.

Valentina Tereshkova

20 Zaps · Medium

An astronaut with raised arms stands beside a rocket, a large sphere, a space helmet, and a scroll depicting a ringed planet.

20 Zaps · Medium