Fun with Maps
  Here you will find a number of fun map projects. The Icosahedrons allow you to build your own solar system.

  Planetary Icosahedrons
Icosahedrons make a great paper activity. Build the Solar System and hang it in your room.
  The Bonne Projection
So what is this heart shaped icon that has been used on the Solar System Maps and Models web site. It is none other than the Bonne projection. On this page you will experience the corting of Earth and Mars and then will have the opportunity to try the projection on some of your own maps.

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