Find out about the four plants nearest to the Sun: Mercury, Venus, Earth and Mars. Discover what these planets are li... MoreOur Solar System: The Inner Planets
Find out how Earth formed and what makes it different from all the other planets. Discover why we have summer and wint... MoreOur Solar System: Earth
Find out about comets and asteroids and where they come from. Discover the difference between a meteor and a meteorite... MoreOur Solar System: Asteroids, Comets and Meteors
Find out about the Sun, the star at the center of our solar system. Discover what the Sun is made from, where the sola... MoreOur Solar System: The Sun
Find out about the four planets farthest from the Sun: Jupiter, Saturn, Uranus, and Neptune. Discover why these planet... MoreOur Solar System: The Outer Planets
Find out how Earth's Moon formed and what it is made from. Discover how the Moon changes, what happens during an eclip... MoreOur Solar System: The Moon
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