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MrMessiah wrote:Limits of human vision (7:00): He puts the observed phenomena down to the human vision system which has a limit of 3 miles. Which is why of course, we can't see the sun, stars, or moon with the human eye. No, what happens at 3 miles is that the curvature of the earth comes into play and on flat terrain, all you see from ground level after that is sky. It's why if you climb a tall building there's not just a 3 mile circle around you and then fucking NOTHING, because guess what? With more height you can see FURTHER. You see the same thing, the earth curving away from you, from a plane too, of course, it's just further away. What you can't see with the naked eye from commercial flight level is the horizon itself curving *along its length*. This isn't because it's somehow different amounts of curvature it's just such a subtle thing over that distance that you can't percieve it. The guy in the video is comparing apples to oranges here and he either knows it or he's confusing two things. Get up high enough, and you totally can see it.
MrMessiah wrote:OK, taking the points in the video in order.
CKAT-1 wrote:hey, hello everybody and thanks for your responses.MrMessiah wrote:Limits of human vision (7:00): He puts the observed phenomena down to the human vision system which has a limit of 3 miles. Which is why of course, we can't see the sun, stars, or moon with the human eye. No, what happens at 3 miles is that the curvature of the earth comes into play and on flat terrain, all you see from ground level after that is sky. It's why if you climb a tall building there's not just a 3 mile circle around you and then fucking NOTHING, because guess what? With more height you can see FURTHER. You see the same thing, the earth curving away from you, from a plane too, of course, it's just further away. What you can't see with the naked eye from commercial flight level is the horizon itself curving *along its length*. This isn't because it's somehow different amounts of curvature it's just such a subtle thing over that distance that you can't percieve it. The guy in the video is comparing apples to oranges here and he either knows it or he's confusing two things. Get up high enough, and you totally can see it.
So what are you saying, if I'm undertsand correctly, is that it is impossible to notice the curvature of the earth, by it self, because of it's scale and size, but the higher you are, the furhter (over the horizon) you can see (plus you need take in to the consideration the limits of human vision) ,right?
MrMessiah wrote:CKAT-1 wrote:hey, hello everybody and thanks for your responses.MrMessiah wrote:Limits of human vision (7:00): He puts the observed phenomena down to the human vision system which has a limit of 3 miles. Which is why of course, we can't see the sun, stars, or moon with the human eye. No, what happens at 3 miles is that the curvature of the earth comes into play and on flat terrain, all you see from ground level after that is sky. It's why if you climb a tall building there's not just a 3 mile circle around you and then fucking NOTHING, because guess what? With more height you can see FURTHER. You see the same thing, the earth curving away from you, from a plane too, of course, it's just further away. What you can't see with the naked eye from commercial flight level is the horizon itself curving *along its length*. This isn't because it's somehow different amounts of curvature it's just such a subtle thing over that distance that you can't percieve it. The guy in the video is comparing apples to oranges here and he either knows it or he's confusing two things. Get up high enough, and you totally can see it.
So what are you saying, if I'm undertsand correctly, is that it is impossible to notice the curvature of the earth, by it self, because of it's scale and size, but the higher you are, the furhter (over the horizon) you can see (plus you need take in to the consideration the limits of human vision) ,right?
I think that's right, yes. I didn't explain it brilliantly. Wherever you look, the section of the earth's curve you see is very slight, from ground level. The higher you get and the further you see, the more of the curve you see and the easier it is to see it IS curved.
And just to be clear, my post was in no way meant to be unfriendly to the OP. There's plenty of stuff to be mystified by in the world, and in the stuff that's not scientifically proven or indeed provable. Even the stuff that's been disproven, can be entertaining. There was just a lot of wrong stuff in a short space in the video, including the assertion of scientific conspiracy and malice, not to mention lack of an open mind. If scientists didn't have open minds, we'd never have progressed.
Kyla wrote:There is one very easy way for you to settle this yourself.
Go out and buy a weather ballon and attach a go pro.
Kyla wrote:Another really great example that the Earth is a sphere is made with fluid in a zero gravity environment. Does liquid form a disc or does it form a sphere?
Valotonin wrote:Why is it so heated from the other side? I believe the earth is a spherical object but I don't respond with ridicule and bias when someone says they believe otherwise. My first thought is always ''I wonder what has lead him to that conclusion, how interesting''
CKAT-1 wrote: that's interesting. this is probably possible to make with my own resources...
CKAT-1 wrote:MrMessiah wrote:CKAT-1 wrote:So what are you saying, if I'm undertsand correctly, is that it is impossible to notice the curvature of the earth, by it self, because of it's scale and size, but the higher you are, the furhter (over the horizon) you can see (plus you need take in to the consideration the limits of human vision) ,right?
I think that's right, yes. I didn't explain it brilliantly. Wherever you look, the section of the earth's curve you see is very slight, from ground level. The higher you get and the further you see, the more of the curve you see and the easier it is to see it IS curved.
And just to be clear, my post was in no way meant to be unfriendly to the OP. There's plenty of stuff to be mystified by in the world, and in the stuff that's not scientifically proven or indeed provable. Even the stuff that's been disproven, can be entertaining. There was just a lot of wrong stuff in a short space in the video, including the assertion of scientific conspiracy and malice, not to mention lack of an open mind. If scientists didn't have open minds, we'd never have progressed.
So once again, what are you saying, it is impossible to notice the earth's curve, with naked human eye, unless you are high enough (lol, high enough). Higher than the most commercial flights, I'm right?
MrMessiah wrote:...
Salt flats (11:05) Not understanding that a small section of a very big curve looks basically flat to the naked eye. "You can see (the other end) perfectly clearly 100 miles away", more than 3 miles he gave our human vision system again, but that's OK because now the reason we can't see further at sea is "the effect of the waves".
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