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Flat illustration of a telescope on a tripod next to a sun icon and a celestial globe with constellations

Red giants, white dwarfs, and supernovae, how bright is your stellar trivia?

Stars

ZapStacks

4

Zaps

80

The night sky is a high stakes map for those who know how to read it. Calculate stellar temperatures by color alone and sort the giants from the dwarfs before the clock runs out. Knowledge is your only navigation tool here. Step up and claim your place among the stars.

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ZapStacks

Flat illustration of an orange globe, a telescope, and a star chart scroll with a constellation on a gray background
Stars 101
20 Zaps · Medium
Flat illustration of a stylized sun at the center of a swirling black and cream galaxy with geometric debris.
Star Formation
20 Zaps · Medium
Flat illustration of a telescope, a glass prism refracting light, and glowing circles on a light gray background
Star Colors & Temperature
20 Zaps · Hard
Flat illustration of a telescope, an astrolabe, and a stylized atom in orange and gold tones on a grey background
Star Brightness & Magnitude
20 Zaps · Hard

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