Ordonner les Lettres Planets of the Solar SystemVersion en ligne Put the letters in order to discover the name of the 8 planets of the Solar System. Be careful, you got 20 seconds per planet, and a maximum of 5 mistakes! par Educaplay Educational Resources 1 Y R U R C M E 2 U S N E V 3 T A H R E 4 R M S A 5 I R J U E T P 6 S U R N A T 7 R U N U A S 8 N P U T E E N