Eye on the Horizon
I was around 4 or 5 years old when I first heard my dad say the word, “horizon”. When they explained to me what that meant, I asked, “You mean that straight line that’s the farthest I can see?” After my dad confirmed that was correct, I followed up with, “If I had super-strong binoculars, could I see the mainland?” My dad replied, “No.” I then asked, “Why?”, and so would begin the usual question after question session, ultimately followed by silence, because by then, dad had other, more important, things to do. That’s one of the first things in life that I can remember so perplexed me, because my child logic made me so sure that the only limit to what I could see on the horizon, was the magnifying power of my eyes. This was before I learned about the curvature of the earth and that the most powerful telescope wouldn’t allow me to see more than 10-20 miles (depending upon how high a vantage point I was at) due to the “dropping away” of the earth as the distance increased. Anyways, I was talking to my friend John the other day, about his “obsession” with running every [...]