http://www.can-do.com/uci/ssi2000/ds-planets.html
http://astrogeology.usgs.gov/Projects/WGCCRE/
and
http://www.google.com/search?hl=en&client=firefox-a&rlz=1R1GGGL_en___US357&hs=Sjm&q=elementa+solar+system+planets&btnG=Search&aq=f&aql=&aqi=&oq=
Read widely, and let us know what you decide.
i need to know how the elements of the planets,ie... solids, liquids,gasses and factoring in gravity and temperature combine to dictate their position from the sun?
2 answers
http://www.google.com/search?hl=en&client=firefox-a&rlz=1R1GGGL_en___US357&hs=O4R&q=elements+solar+system+planets&btnG=Search&aq=f&aql=&aqi=&oq=