Solar System Exploration Prof

Do you know that the Sun holds 99.8 percent of the solar systems mass? Or that Earth has a twin planet? Explore the part of the mysterious space - SOLAR SYSTEM. The app Solar System Exploration is the collection of VIDEOs containing interesting FACTS about celestial objects of the Solar System. THE WHOLE SOLAR SYSTEM - 9 planets - Sun and Moon - Kuiper belt CHECK YOUR KNOWLEDGE - Answer the questions to check your knowledge and memory; - Watch the result and pass the test several times. Look, listen, learn new facts and test your memory with video lessons of Solar System Exploration!