Relier Pairs Solar System Blue VocabularyVersion en ligne This is for practice with the blue set of solar system vocabulary words. par Anne Ambrosio 1 Smaller chunks of rock and metal have broken off from a comet or asteroid. 2 Round like planets, but orbit a planet instead of the sun. 3 Large disc shaped grouping of over 200 billion stars that spins and is suspended in space . Our solar system is part of this. 4 Large chunks of rock and metal that orbit and tumble around the sun. 5 Elliptical path Earth takes around the sun. It takes 365 days or 1 year. 6 Large star that provides light and warmth to the Earth. 7 Meteors that have been pulled towards Earth and burn up in the atmosphere. 8 Imaginary line that goes through the center of a planet from top to bottom. 9 Large groups of ice, dust and metal that orbit the sun and has a tail tail. 10 Largest collection of asteroids scientists have found. It is located between Jupiter and Mars.