Does the horizon in the photo below look 1-1/2 miles away?
The lunar module's shadow is within inches of the horizon! [
link to history.nasa.gov]
That is not the horizon.
As this chart shows [
link to upload.wikimedia.org]
5931 was shot from the Pan 4 position.
It shows there is the rim of a shallow crater in the background.
The camera is also slightly tilted down, no point in photographing the black sky.
Keep in mind the GROUND IS NOT LEVEL.
And of course the properties of the equipment used determine how reality ends up looking in a photograph.
Gees, some mighty leet investigator skillz you are demonstrating here.
On Mars, it's a little over two miles, and just a hair under three miles on Earth.
Fail
You can see 26+- miles before the curvature of the Earth/horizon.
Quoting: Anonymous Coward 956586He's considerably less off then you.
[
link to en.wikipedia.org]
You should know better then argue with a sailor about such things.
(5 klicks is a good rule of thumb.)
