Amateur astronomers don't lie. They don't have a clue what they are observing. It is just light anyway. You can't make any conclusions based on that.
If you really believe this I can only hope to God that you don't drive a car. When you go out in public (assuming you ever do), do you use a white cane with a red tip to [fixed typo] determine where to take your next step?
How should he know if his cane is white with a red tip if light is so unreliable?
Ohhh.... good question! Well, OK... Saros, when you go out in public (assuming you ever do), do you use a cane to determine where to take your next step, or do you look with your eyes?
You cannot tell much about stuff in space as the only thing you see is light. Your analogy with the road is totally inappropriate. When you see a planet or whatever through your telescope your interpretations of what you see are based on the paradigm you have accepted. That it is a solid sphere somewhere far away from the Earth. Well, you cannot verify this claim just by looking through your telescope. You don't know what you see in space is. You have been told what it is and you have silently agreed. Huge difference. It is completely possible that the stuff you see in space is not even real but some sort of projection. There is no way to verify this. Even if you have the biggest telescope you can't be sure if what you see is real or a light phenomenon. The fact that it repeats itself for ages means absolutely nothing. Have you been there? No. In fact, even the Moon might be a projection. I know that you believe it is a solid sphere, but where is your proof? A bunch of asstrollnots who claimed they landed there?
Are you suggesting that you cannot tell about stuff ahead of you on the sidewalk without feeling it? That's the analogy, and it is exactly what you seem to be claiming. If you saw a sandbag or an alligator in front of you, your interpretation, based on your understanding of what sandbags and alligators look like (even if you never touched one in person) would be "that's a sandbag" or "that's an alligator" (or reasonable facsimile thereof, like a crocodile, which is similar in general appearance), and not, say, a bowling ball or cat, without having to trip over it, wouldn't it?
We know what a sphere (solid or otherwise, e.g., gas) looks like under differing lighting geometries, and how recognizable features would change if it's rotating wrt our point of view, and shadows change as its angle of illumination changes; guess what? That's exactly how the planets and our Moon behave. Conclusion: they're rotating spheres. Add to this we've visited the Moon (whether you choose to believe this or not doesn't matter) and sent unmanned emissaries there and to other planets and some of their moons, and in all cases found that they're very much as expected; rocky and spherical when expected, and very non-spherical in the case of small bodies like comets and martian moons. We can see them at a distance and accurately conclude their shape and, in general, composition, verified by visitation. The Moon is rocky (we have rock samples), Mars is rocky from measurements taken at the surface, consistent with photographs of features taken from Martian orbit similar to rocky terrains on earth, etc for other planets and some of the major-planet satellites.
If you want to propose an alternative explanation like "it's a projection", even if you can't explain "on what", "by what", and "from where" you
still have to explain how a projection (any projection) could behave in the ways we observe them in our telescopes from earth. Go ahead. If it's a projection, explain how Jupiter can be rising when seen from one location, crossing the meridian at another, and setting from yet another, while presenting the same features to all three, without changing apparent size, all at the same time? Meanwhile, the Moon has
slightly different parts visible, and changes apparent size
slightly in the same situation (as you'd expect from a somewhat-distant sphere from slightly (compared to the distance) different viewpoints). "They
could be projections" without any explanation of how these observations would possibly match simple observations isn't an explanation at all; it's arm-waving.
We're waiting.