Thursday, 10 March 2016

127) “The fact that the Sun and Moon’s reflections on water always form a straight line path from the horizon to the observer proves the Earth is not a ball. If Earth’s surface was curved it would be impossible for the reflected light to curve over the ball from horizon to observer.”

Typically, Mr Dubay just claims that this is true , and expects us to believe him, There is no evidence and no argument, just what Dubay says. Odd, for someone who is happy to claim that a substantial proportion of the world’s population is conspiring to lie to the rest of us. Why take him on trust, and not these others.

In fact, Mr Dubay has just pointed out an excellent piece of evidence for a curved surface.
So, lets look at the evidence. Dubay says that you’d never get such a reflection on a curved surface, but you would on a flat one.

Right now, I’m looking at a mirrored door across my room. The mirror is flat. There’s a light shining on it at a similar angle to the sun in his photo. Yet I don’t see such a  straight line path, just a direct round reflection of the bulb. So flat surfaces don’t necessarily give such a reflection.  Now I tried the curved surface of a shiny Christmas bauble. Still no path of light.  It may not be the shape of the surface that decides whether there is a line reflection.

In fact, you get such effects when the light scatter off an uneven surface – as here, with the tops of waves catching rays at different angles, or on a wet road, where headlights reflect in a similar path.
Again, you can get a similar effect with light and dark areas behind a water surface in a landscape, like this : 

Notice that whenever you get such an reflection, it is from a rough, uneven but somewhat shiny surface.

Only the rays that bounce directly towards us enter our eyes – those to either side “miss”.  So we only actually see those that bounce directly between the light source and our pupils, so that we see a vertical line. This could happen on a flat or slightly curved surface.

So this phenomenon proves nothing, either way.

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