61. On a spherical Earth buildings near the horizon would noticeably tilt backwards

“If the Earth were actually a big ball 25,000 miles in circumference, the horizon would be noticeably curved even at sea-level, and everything on or approaching the horizon would appear to tilt backwards slightly from your perspective. Distant buildings along the horizon would all look like leaning towers of Piza falling away from the observer. A hot-air balloon taking off then drifting steadily away from you, on a ball-Earth would slowly and constantly appear to lean back more and more the farther away it flew, the bottom of the basket coming gradually into view as the top of the balloon disappears from sight. In reality, however, buildings, balloons, trees, people, anything and everything at right angles to the ground/horizon remains so regardless the distance or height of the observer”

As usual Eric Dubay cannot seem to conceive how big the Earth is, and again as usual he doesn't bother to attempt any calculations to back up his claim.

Standing at sea lebel the horizon is at about a distance of 3 miles, but let us consider a building much further away at 50 miles.  If Dubay is correct this should seem to be leaning backwards at quite an angle.

Lets do the maths.

The circumference of the Earth is 24,900 miles, which covers the full 360 degrees.
The number per degrees per mile is therefore 360 / 24900
It  follows that the number of degrees at 50 miles is   50 x ( 360 / 24900 ) = 0.72 degrees

I don’t know many people who could detect a lean of a structure of less than 1 degree at a distance of 50 miles even if it was side on let alone face on.

Dubay also mentions in passing that the horizon should appear curved on a spherical earth.  This has been covered in the response to proof 1.

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