Structure of the Sun
The Sun is the star at the center of the Solar System and it was formed about 4.57 billion years ago. It has a diameter of about 1,392,000 kilometers (865,000 mi) (about 109 Earths), and its mass is 330,000 times that of Earth. About three-quarters of the Sun's mass consists of hydrogen, while most of the rest is helium. The Sun's color is white and is the brightest object in the sky. A miniature book with many informations about the sun is attached to this paper craft.
You can free download the paper craft data and the assembly instruction from Canon:
http://cp.c-ij.com/en/contents/3151/sun/index.html
Parts list(pattern): 19 A4 sheets
Assembly Instructions: 4 A4 sheets
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