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.
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.
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.