SOLAR SYSTEM QUIZ Test Your Knowledge Of The Solar System With These Quizzes Solar System Online Quiz for Kids and Adults #1. Alpha Centauri is the nearest star to our solar system. How far it is? 1,000,000,000 KM 10 Billion km 100 Light Years 4.3 Light Years Work Harder #2. How many planets are there in our solar system? 7 9 8 12 Work Harder Previous Finish Results Well Done. You Are Roaring Like A Lion Keep Working. Slow & Steady Wins The Race START NEW
