Planets

Do you know Mars from a meteorite or stars from satellites? Test your knowledge of the planets and the sun with this quiz. If you have trouble with the quiz, you can explore the encyclopedia to find the answers.

Pull the red ball down to read the entire article. Click on each planet to learn more about it and see a bigger image. Watch for the blinking black dots - click on them to get more information.

Planning a trip outside of our solar system? NASA has a travel bureau to help you with all of your plans. Scroll through the planets to see your options; some will offer an opportunity to explore the surface (or artistic rendering of surface). Hold your mouse down to rotate the view and explore all directions.

This is a NASA-created site. 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.

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.