http://chartsbin.com/view/wwu http://chartsbin.com/view/wwu Chartsbin Surface Area of the Earth http://chartsbin.com/view/wwu http://chartsbin.com/view/wwu http://chartsbin.com/view/wwu http://chartsbin.com/view/wwu http://chartsbin.com/view/wwu http://chartsbin.com/view/wwu http://chartsbin.com/view/wwu http://chartsbin.com/view/wwu 148,940,000 km