Place each planet in order around our Solar System:
Just CLICK AND DRAG any of the 5 planets at the top of the picture and place them in orbit.
FACT: If you added the diameter of all 9 plants the total would be less than a quarter (1/4) of the Sun's diameter. This Flash Learning Game is not in proportion to the sun's distance to the planets. If you are interested in learning more about the universe go to NASA for Kids, at www.nasa.gov/kids.