Exploring Our Solar System: Planets and Space for Kids - FreeSchool
The solar system planetary system
The Search for Life in the Universe Documentary - Exoplanets and the Search for a Second Earth
How Long Would It Take To Travel the Solar System? | Unveiled
The Solar System is the gravitationally bound system of the Sun and the objects that orbit it, either directly or indirectly. Of the objects that orbit the Sun directly, the largest are the eight planets, with the remainder being smaller objects, such as the five dwarf planets and small Solar System bodies. Of the objects that orbit the Sun indirectly—the moons—two are larger than the smallest planet, Mercury.