Guess the mystery planet, dwarf planet, or moon in 6 tries. Each guess reveals type, size, distance, rings, and moon clues.
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Frequently asked questions
How do I play Guess the Planet?
Type the name of a planet, dwarf planet, or moon and submit your guess. You have 6 tries to find the mystery body, and each guess shows feedback on type, diameter, distance, rings, and moons.
What do the colors and arrows mean?
Green means an exact match. Yellow means close. An up arrow means the answer is larger than your guess, and a down arrow means it is smaller.
How are moons handled for distance and moon count?
For moons, distance uses the host planet distance from the Sun, and the moons count is 0.
Is Guess the Planet free? Do I need to download or sign up?
The game is completely free, runs in the browser, requires no download or account, and contains no external links.
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