Not all of us stand the same, right? And you’ll be using the height of your eyes as a guide, since that’s the point you’re measuring from. Well, the first thing you need to know is where you’re standing. So, how do we determine the distance from where we’re standing to the horizon? If you have an app on your phone or even an old almanac it may not be so hard. It’s a little mind bending when you think about it. The water you’re looking at is actually curving into the distance with the shape of the Earth. And though it looks like a flat run from you to the edge of the planet, you know that’s not true. You’re looking out from your boat across the water to the horizon line. Consider what you’re trying to figure out, after all. Not necessarily complicated, but not intuitive either. Calculating the distance to the horizon takes a bit of clever math.
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