1) galaxy a) b) c) d) e) f) 2) The Sun a) b) c) d) e) f) 3) planet a) b) c) d) e) f) 4) comet a) b) c) d) e) f) 5) What produces light and spins on its axis? a) galaxy b) nebula c) star d) planet e) moon f) comet 6) What is a system made of billions of stars, gas, and dust and held together by gravity? a) galaxy b) nebula c) planet d) solar system e) moon f) comet 7) Which is responsible for providing energy to our planet? a) galaxy b) moon c) comet d) sun e) nebula 8) Which of these describes the sun? a) main sequence b) red giant c) supergiant d) dwarf e) brightest star in galaxy 9) What is all the existing matter and space as a whole? a) galaxy b) universe c) nebula d) solar system e) planet f) star 10) What is a collection of dust and gas where new stars are formed? a) galaxy b) universe c) nebula d) solar system e) planet f) comet 11) What is a celestial body made of ice and dust and leaves a tail behind it? a) galaxy b) universe c) nebula d) solar system e) planet f) comet

Components of the Universe

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