How far away is the horizon.png ... taking the radius of the Earth as 6371 km, the distance to the horizon is.
How could you calculate the
Measure your "height of eye." Measure the length between the ground and your eyes in meters or feet.
This is a rough guide to determine the
Even before Columbus sailed across the Atlantic Ocean (thus “proving” the Earth
was round), mathematicians had already developed a very simple
People often ask how far you can see, or how far it is to the apparent
Jan 15, 2009
If your eyes are 8 inches (20 cm) above the water, the
Apr 1, 2014
Note: There are several versions of this