Searching for Planet X

Since 2016, astronomers around the world have been searching for a distant planet to explain the strange orbits of celestial bodies they detect in the solar system.
Will you be able to discover Planet X?
WARNING: The game requires a free app (for Android and iOS) to play. Once you download it, you don't need an internet connection to play.

Contents: 1 solar system board, 1 earth board, 1 wooden sun disk, 1 pad with note pages, 4 player counters, 4 player screens, 4 panels, 48 ​​theory markers, 8 targeting markers, rules