World Builders™                                                                                 Session Two  --  Geology             

          Forming the Rocky Surface of Your Planet     

After many thousands of years your planet will become a world with a solid surface.

Calculate the Data For Your Planet Report

Planets Planet 1 Planet 2 etc


Distance from sun in AUs     Find a planet that will work at  
Year Length in earth days     Kepler's Law
Day Length (earth days)     Your choice above 8 hours
Axial Tilt     Your choice,  Read this.
Roche Limit for Moons     Read this.
Density     Your choice.  Check here though.
Radius compared to earth     Your Choice

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© 1996,1997, 1998, 1999, 2000, 2002, 2003.   Elizabeth Anne Viau. All rights reserved. This material may be used by individuals for instructional purposes but not sold. Please inform the author if you use it at .