Jumi
Well-Known Member
I don't know if that's such a useful reference point.OR, the sun is stationary and the rest of the galaxy is revolving past it
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I don't know if that's such a useful reference point.OR, the sun is stationary and the rest of the galaxy is revolving past it
I'm surprised you had to ask. In the frame of reference where I am the origin of the coordinate system it stops turning relative to me, yes; and if I make a jumping motion it momentarily moves down and then back up.Okay, but you still haven't answered my question, "Does it stop turning when you stop moving your feet?" and you have to deal with this . . . . .
It would not matter what direction they were walking. If I'm the origin of the coordinate system then it turns relative to me. Other people merely walk upon the Earth, but I turn it.So in what specific direction would the world be turning to accommodate the various directions these folk are walking?
The sun would have a very complex motion. First it would wheel in a strange pattern about the Earth. Then of course since the Earth was turned by my feet, my feet would also affect the motion of the Sun. Then of course the Galaxy would be moving in a fairly strange pattern about the Sun as well and the whole thing with me as its origin would probably have a motion sort of like scribble scrabble though it would appear not to. It would still appear as if the Earth were going around the Sun and the Sun were going about the Galaxy.OR, the sun is stationary and the rest of the galaxy is revolving past it
Hmmm. . . . . and all along I thought that we were the center of the universe.I don't know if that's such a useful reference point.
Or, stand up for a moment and then spin around, make a 360.OR, the sun is stationary and the rest of the galaxy is revolving past it
Hmmm. . . . . and all along I thought that we were the center of the universe.
That is a very sensible, middle-of-the-road approach! You avoid the extreme of Skwim's conservative "The Sun must be the center of our Solar System!"
As long as it's not on a pancake with moving a black curtain over it with holes that give off light in the room, I'm good with any reference point.
Sorry, but for turning to make any sense, even hypothetically, on has to acknowledge an actual turning. And obviously the earth can't turn in more than one direction at once. One can't simply dismiss all the others who walk in a different direction. They have to be accounted for in your hypothetical. Even if there were only two moving creatures on earth you still have to consider their direction of movement in relation to your own. You can't pretend they don't exist and blithely postulate a coherent relationship in the change of position between you and the earth, other than your personal movement. Your frame of reference tragically breaks down when you shift it to yourself as "the origin of the coordinate system." It necessarily excludes the fact that you are not alone. Now, if you and the earth were the only characters in this hypothetical, and you always walked westward, then and only then, would it have a chance of working; although, you would have to be walking at roughly 1,000 miles an hour.I'm surprised you had to ask. In the frame of reference where I am the origin of the coordinate system it stops turning relative to me, yes; and if I make a jumping motion it momentarily moves down and then back up.
It would not matter what direction they were walking. If I'm the origin of the coordinate system then it turns relative to me. Other people merely walk upon the Earth, but I turn it.
None but the simpliest mathematical models are without approximations. We have to approximate. Otherwise we've be very limited in the things we could model. I'm modeling the motion of the Earth relative to me, with me as the origin of the coordinate system. I do account for the motions of others. They move about the surface of the Earth, and this works whether the Earth is round or flat. I don't pretend you don't exist. Also there's no need for me to turn the Earth at 1000 miles per hour so long as I allow for the solar system to revolve around it quickly enough and in the right patterns as to effect day and night and seasons. Anyway, who says the model must extend out that far? It only needs to be accurate in my immediate vicinity.Sorry, but for turning to make any sense, even hypothetically, on has to acknowledge an actual turning. And obviously the earth can't turn in more than one direction at once. One can't simply dismiss all the others who walk in a different direction. They have to be accounted for in your hypothetical. Even if there were only two moving creatures on earth you still have to consider their direction of movement in relation to your own. You can't pretend they don't exist and blithely postulate a coherent relationship in the change of position between you and the earth, other than your personal movement. Your frame of reference tragically breaks down when you shift it to yourself as "the origin of the coordinate system." It necessarily excludes the fact that you are not alone. Now, if you and the earth were the only characters in this hypothetical, and you always walked eastward, then and only then, would it have a chance of working; although, you would have to be walking at roughly 1,000 miles an hour.
I don't see any actual modeling, much less any approximations going on, but that aside, I also don't see you accounting for the motions of others. If your change in position on earth is a result of the earth turning in that particular oppositional direction then it cannot turn in any contrary direction so as to accommodate others. Your hypothetical leaves out the reality of existence: you are not alone. It's simply wacky to say, 'Wow! look at the way the earth is moving beneath me, and it isn't moving that way for anyone else, even though they too are changing position. I must be v e r y special. " I know this isn't what you would actually imagine, but it's what you imply in giving your hypothetical credence. Your proposed frame of reference just doesn't work. Considering the extenuating circumstances that have to be taken into consideration it fails at the outset. Even in considering frames of reference the logic that says we move on the earth just in there that says the earth moves beneath us.None but the simpliest mathematical models are without approximations. We have to approximate. Otherwise we've be very limited in the things we could model. I'm modeling the motion of the Earth relative to me, with me as the origin of the coordinate system.
And that case only extends to the rotation of the earth, its day-night cycle, not its orbit around the sun.They move about the surface of the Earth, and this works whether the Earth is round or flat. I don't pretend you don't exist. Also there's no need for me to turn the Earth at 1000 miles per hour so long as I allow for the solar system to revolve around it quickly enough and in the right patterns as to effect day and night and seasons.
Anyway, who says the model must extend out that far? It only needs to be accurate in my immediate vicinity.
I can't speak for others, I just think there are many ways to look at systems. Places with highest gravity effect would be a good choice for a center in a system like this. For our solar system, our sun would be a logical choice if we take the view. It's also least complicated and most useful in practical sense."The Sun must be the center of our Solar System!"
I am not proposing a Scientific hypothesis for you to critique. I'm just establishing a coordinate system, and its perfectly legitimate by the rules of Vector spaces. The Earth moves relative to me, so there is a vector pointing from me to it. Other people move relative to the Earth, so there are vectors from it to them. Add those vectors, and you get vectors from me to the positions of the people. The relative velocities add in the same way. No problem!I also don't see you accounting for the motions of others. If your change in position on earth is a result of the earth turning in that particular oppositional direction then it cannot turn in any contrary direction so as to accommodate others. Your hypothetical leaves out the reality of existence: you are not alone. It's simply wacky to say, 'Wow! look at the way the earth is moving beneath me, and it isn't moving that way for anyone else, even though they too are changing position. I must be v e r y special. " I know this isn't what you would actually imagine, but it's what you imply in giving your hypothetical credence. Your proposed frame of reference just doesn't work. Considering the extenuating circumstances that have to be taken into consideration it fails at the outset. Even in considering frames of reference the logic that says we move on the earth just in there that says the earth moves beneath us.
Which is sufficient for the purpose to which I am putting the model.And that case only extends to the rotation of the earth, its day-night cycle, not its orbit around the sun.
Well, you can argue anything, but this is one you wouldn't win. There's an enormous consensus that it's not possible.Is it possible to argue that the bible has been true all along that earth is flat and it's the center of the universe in a way since there is no consensus or at least because of the way we interpret theories like special relativity and frame of reference?
To me, no. The Earth is not flat, and its a good reason not to think of the Bible as a science source.Is it possible to argue that the bible has been true all along that earth is flat and it's the center of the universe in a way since there is no consensus or at least because of the way we interpret theories like special relativity and frame of reference?
Is it possible to argue that the bible has been true all along that earth is flat and it's the center of the universe in a way since there is no consensus or at least because of the way we interpret theories like special relativity and frame of reference?
"..... Australasia....." ???
What ??
~
'mud
Thank you all for your comments. I'm still puzzled though. If it is not that easy to draw such a firm conclusion about earth being flat then why did the early church strongly believed in it?