Planets

Planning a trip outside of our solar system? Scroll through the planets to see your options; some will offer an opportunity to explore the surface.

Explore our solar system; learn about our home in the Milky Way, other planets, moons and small celestial bodies.

This study jam is about our solar system, specifically the inner planets, Mercury, Venus, Earth and Mars. Check out the slide show and then take the quiz to test yourself.

Check out this slide show about the outer planets: Jupiter, Uranus, Neptune and the plaetoid Pluto. Take the quiz to test yourself.

How big is the universe? What do scientists really know about what is out there in deep space? Here's a video and quiz to help you learn more about the universe, galaxies and solar systems.

How do scientists find exoplanets that may support life beyond our solar system? This video describes the search for exoplanets.

You need to put on your space suit to track down all of the missing socks. You will learn about space objects and space exploration while you search.

Lots of web-based activities and games are on this site (created by NASA) to help students learn about space.

It takes light a zippy 8 minutes to reach Earth from the surface of the Sun. But how long does it take that same light to travel from the Sun’s core to its surface? It's a surprisingly long time! Related Lesson

What if the next wave of spacecraft were small enough to fit into our pockets? This video describes the future of microspacecraft, and how scientists at NASA are hoping to use micropropulsion to launch tiny vessels outside of Earth’s orbit. Related Lesson

This 3 minute video from NOVA discusses the difficult task of properly classifying new discoveries in our solar system. You will learn about definitions of planet and why this disqualified Pluto.