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 M E U Y R R C 2 E S N U V 3 T R A E H 4 M A S R 5 J I T P E U R 6 S N T R A U 7 A R S U U N 8 U E N P E T N