九大行星的英文全称是什么答:5. Jupiter(木星)6. Saturn(土星)7. Uranus(天王星)8. Neptune(海王星)9. Pluto(冥王星)The nine planets in the Solar System are named Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, and Pluto. However, in 2006, Pluto was reclassified as a dwarf planet ...