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