Solar System Secrets introduces users to relevant knowledge about the solar system:
* The Solar System is the gravitationally bound system of the Sun and the objects that orbit it.
* The Sun is the star at the center of the Solar System.
* Mercury is the first planet from the Sun and the smallest in the Solar System.
* Venus is the second planet from the Sun.
* Earth is the third planet from the Sun and the only astronomical object known to harbor life.
* Mars is the fourth planet from the Sun.
* Jupiter is the fifth planet from the Sun and the largest in the Solar System.
* Saturn is the sixth planet from the Sun and the second largest in the Solar System, after Jupiter.
* Uranus is the seventh planet from the Sun.
* Neptune is the eighth and farthest known planet from the Sun.