Solar System News
NASA Encourages Public to Explore Its Curiosity With New Rover-Themed Badge on Foursquare

12/27/12 - NASA and the mobile application Foursquare have teamed up to help the public unlock its scientific curiosity with a new rover-themed Curiosity Explorer badge.

NASA's Grail Lunar Impact Site Named for Astronaut Sally Ride

12/17/12 - NASA has named the site where twin agency spacecraft impacted the moon Monday in honor of the late astronaut, Sally K. Ride, who was America's first woman in space and a member of the probes' mission team.

Planets

What is a planet? How many planets are there in our solar system? Is Pluto a planet? Are there planets in our solar system that have not been discovered yet? To find out the answers to these questions and more, visit the planets!

planets

The Sun

What is the Sun? Does the Sun have another name? How big is the Sun? Is the Sun a unique celestial object? To find out the answers to these questions and more, visit the Sun!

moons

Moons

What is the difference between a moon and a planet? How many moons are there in the solar system? How was the Earth's moon formed? What is the largest moon in the solar system? To find out the answers to these questions and more, visit the moons!

Other Bodies

What is a dwarf planet? Where do comets come from? How many asteroids are there in the solar system? What is the Kuiper Belt? To find out the answers to these questions and more, click here!

Mercury

Educational Tools

If you are looking for a top-notch interactive Solar System model, visit here! If you're looking for websites to help with not only planets related information, but also general education materials as well, click here!.

Did You Know?
The Sun accounts for 99.8% of the total mass of the Solar System.
Solar System Model
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