Matching Pairs Universe's componentsOnline version Match the words with the definition. by Manuel Ventura 1 Milky Way 2 Nebulas 3 Star 4 Planets 5 Galaxy 6 Asteroids 7 Comet 8 Satellites 9 Dwarf planets Celestial bodies that orbit a planet Small planets It is the name of our galaxy Big sphere of gas that produces heat and light. Group of nebulas and stars Rocks that move in the galaxy. They become meteorites Balls of dust and ice. Spheres of rocks or gas that orbit a star Dust and gas. They will form the stars.