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Players take on the role of astronomers, participating in this real scientific investigation
Use the free companion app to survey for objects and take other actions
Use the app results and the logic rules to find objects, publish theories, and deduce where Planet X must be
Created for 1-4 astronomers, ages 13+, to discover in 60-75 min
Amazon.com price effective as of Aug 09, 2025 15:48:41 UTC
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