planetary science

Did you know that Uranus is the only planet that spins on its side? Uranus has a liquid center. Learn more in Uranus.

Did you know that Venus has many large volcanoes? Maat Mons is the highest volcano on Venus. Learn more in Venus.

Presents a tour of the universe and solar system, dramatizing the possible origins of the universe, looking at the birth of stars and galaxies, examining each of the nine planets in Earth's solar system, as well as their moons and satellites, and discussing the differences between the inner and outer planets, the composition of comets, asteroids, and meteorites, and the effects of Earth's orbit.

Readers learn about asteroids, what they are, what they are made of, where they come from, and more.

Introduces readers to planets and discusses what they are, how they form, where they are found, and why we study them.

Young readers learn about the planets in our solar system.

Find out about the four planets farthest from the Sun: Jupiter, Saturn, Uranus, and Neptune. Discover why these planets are called the gas giants, which spacecraft have visited them, and what lies beyond them in the solar system.

Find out about the four planets nearest to the Sun: Mercury, Venus, Earth, and Mars. Discover what these planets are like, which has the most moons, and which spacecraft have visited them.