SITES:
http://nineplanets.org/venus.html
http;//www.solstation.com/stars/wenus.htm
The Grand Tour; A traveler's guide to the Solar system, by Ron Miller and William K. Hartmann.
http://www.scholarsandrogues.com/2011/05/03/venus-climate-ii-internal-heating/
http://www.astrocentral.co.uk/venuspage.htm
http://www.space.com/44-venus-second-planet-from-the-sun-brightest-planet-in-solar-system.html
http://www.nature.com/nature/journal/v203/n4945/abs/203625a0.html
http://www.venusita.com/about_us.html
By Brittanie Nguyen, Hayley Hawkins, and Shelby Emig.