Compléter Complete the definitionVersion en ligne You must complete each definition to win the game. Remember that you can write one or two words to solve each definition. par Àlex MT 1 Mars Sun Comets Neptune star satellites Uranus Venus planets Earth Saturn Satellites Jupiter Sun asteroids small bodies bodies Our Solar System is made up the , eight with their , dwarf planets and . The is the central body of the system . The Sun consists mainly in two gases : hydrogen and helium . It is a , the closest to Earth . Planets are spherical bodies which rotate around the Sun . They all move in elliptical orbits , held by the gravitational force of the Sun . Planets are much larger than other celestial bodies which orbit the Sun . Mercury , , and are made up mainly of rocks . , , and are made up mainly of gases . Dwarf planets are spherical bodies which orbit the Sun . They are smaller than planets . Pluto is recently considered one of them . Small are other celestial bodies which orbit the Sun . They include , comets and satellites . orbit the planets and consist of rock . are icy objects wiht a long and elliptical orbit .
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