Other
Buzzle.com: Univer Savvy: Which Is Bigger the Earth or Sun?
Find out what the diameter and volume of the Earth and the Sun are and learn just how much bigger the Sun is. Also explains how the Sun compares to the Moon.
NASA
Nasa: Solar System Exploration
Enter our solar system to interact with the planets, moons, asteroids, meteors, and more. Investigate with NASA scientists and explore missions related to space exploration. Read facts, compare statistics, look through resources, and...
Other
All (Known) Bodies in Our Solar System Larger Than 200 Miles in Diameter
How big is the Earth compared to the Sun? Is Mars bigger than the Moon? Seeing all bodies in the solar system larger than 200 miles in diameter side by side provides an excellent comparison and an interesting perspective.