Curious about relative sizes? Check out these neat websites on the relative sizes of objects in the universe... http://htwins.net/scale2/ and the solar system... http://solarsystemscope.com/ . There is another interactive website showing How Big is Space at http://www.bbc.co.uk/bbc.com/future/bespoke/20140304-how-big-is-space-interactive/index.html
Parts of the Solar System
Honors students at Potomac Falls HS are creating this website to describe different parts of the solar system.
Click on the buttons to the left to learn more!