How far is the Horizon??
Posted by johnG on 17th January , 2009“The square root of your height (or elevation) in feet times 1.2 equals the distance to your horizon in miles. So, how high would Sarah Palin’s house have to be inorder to see Russia?: Wasilla, Alaska, is 1130 km from Russia. How high above the Earth’s surface do you have to be to [...]