Ordonner les Lettres SSU - Solar System UnitVersion en ligne VOCAB par Marvin Miller 1 3rd planet from the sun H R E T A 2 4th planet from the sun R A S M 3 Planet closest to the sun R Y C R U E M 4 Orbits a planet N O O M 5 Center of our galaxy N S U 6 2nd planet from the sun E U V N S 7 large chunk of rock or metal that tumbles in orbit R D I O S T A E 8 Ice, dust, and rocks that orbits the sun with a tail. E T C O M 9 5th planet from the sun U I T P E R J 10 Small chunkc of rock, falling stars E E O T R M 11 8th planet from sun, gas giant N E P T U E N 12 Dwarf Planet. Used to be 9th from sun O P L T U 13 6th planet from sun. Lightest planet N S A U R T 14 7th planet from the sun. Gas giant. Tilted axis U N R A S U