Labels:text OCR: DLUNG. ramus ALLEN. D SEE ALSO THE SOLAR SYSTEM THE SUN and the nine planets in orbit around it make up the solar system. The nine planets, which are drawn to the sun by its gravity, are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, and Pluto. The sun is the heaviest of these bodies. Planetary positions The planes are shown here in their correcs sequence in relation so she sun. Sun Mereny Wermins Karth Jupiven LIFE CYCLE OF THE SOLAR SYSTEM COMETS TERLOO ING D THE ASTEROI BELT