Observe the stars through your telescope and record them in your astronomy notebook.

Compete in ingenuity against your opponent to adjust your telescope to the five types of celestial bodies: moons, planets, black holes, asteroids, interstellar clouds. Satellites will also be of great help to you. Organize all your observations wisely in your notebook. Thus, your panorama of the night sky will be worthy of the most famous astronomy observatories!

During 11 rounds, your telescope AND your notebook are filled with your observations. You and your opponent play 2 celestial body cards per turn. The choice of the first card played forces the placement of the second. So, will you complete your notebook OR your telescope first? The celestial bodies played in your telescope must be adjacent; they earn majority points depending on the area they are in at the end of the game. Their power multiplies with your collection series in your notebook, but only for the same type of celestial bodies. Duplicates do not count in your log, but expand the majority in your telescope. Observing the stars without observing your opponent's game could cost you the victory ...