a lame - brain theory invented by God to confuse - see www.johnsalza.com and then click on geocentrism etc - twinc
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[_ Old Earth _] Gravity ?
- Thread starter twinc
- Start date
tim-from-pa
Member
Your god, maybe not mine. Those animations are so full of holes, especially with the rotation of the earth explained in the geocentric theory that it's not even funny. For starters, if the sun, that far away, and even further the stars went around the earth that quickly, you know how much centripetal force would require them to stay together? Indeed, the further ones out would have to go faster than light!
In addition, this kook considers apparently that there's this one special "center of mass" where the earth is located. In fact, this center of mass, called the barycenter of a system, is not just one point in space, but many. Each system can have multiple ones. Besides that, have you heard of the three body problem? Puzzles physicists in that there is no closed equation to explain the motion (thus like the old spirograph toy a mathematically defined set of gears can make endless patterns). So now take "1000's" of celestial objects and expect the center of mass to stay constant at the earth is a downright ignorant theory. It would drift.
Anyone who espouses these theories really ought to get a grip and understand some rudimentary physics and motion to understand how the solar system works. I find that the heliocentric view works quite well for me.
it seems to get a grip one would need to go to www.galileowaswrong.com all along and how could it be that God was wrong all along - twinc
Obadiah
Member
Your just beating your head against his brick wall.
Your just beating your head against his brick wall.
the brick wall also does not move - twinc
tim-from-pa
Member
Your just beating your head against his brick wall.
Yeah, I know, and if you notice, these types never answer the scientific aspect or have rudimentary knowledge of mathematics. Their understanding is about as dense as the same brick wall we are beating our head against. Just assertions. That's it.
Now, if the geocentrists were really smart, they would at least admit the earth rotates and everything else moves more slowly around the earth which would be far more plausible, but even that has its problems.
Their own animations show the sun rotating around the earth "daily" with the center of rotation NOT at the earth but up and down an axis going thru the earth (that center point moves) sinusoidally to keep the seasons. Yeah, right. All the mass in the universe is going to move the center of gravity just so. I won't even touch on the stars such as why some more or less stay in the same area of the sky and others circle completely around. If the earth was the center, the stars would criss-cross daily depending on their plane of orbit.
Again, they have to understand what makes motion and time we use. This is too complicated to explain every motion. There was an axiom that the "simplest explanation is likely the proper one". A rotating earth with it's axis tilted to it's plane of orbit describes everything effortlessly. The geocentric view has too many complications, fragility and "what if's" that if some of those things are out of kilter, the days and years as we know it would radically change. In other words, they have to make several astronomical bodies behave in a certain way to get the motion we see daily, whereas the heliocentric is easier because only the earth has to be a certain way (position) for the motions that we see.
Claudya
Member
According to Einstein, movement is relative and only exists in relation to a reference point or reference system. So it's basically right to say the earth doesn't move if the earth is our point of reference. In that case the sun would rotate around us, along with the rest of the solar system, following a pretty weird pattern because the gravitational centre of the solar system is pretty much inside the sun's body, but who says the gravitational centre is the reference point, right?
This thread is funny. Successful troll is successful.
This thread is funny. Successful troll is successful.
21Do you not know? Have you not heard?
Has it not been declared to you from the beginning?
Have you not understood from the foundations of the earth?
22It is He who sits above the circle of the earth,
And its inhabitants are like grasshoppers,
Who stretches out the heavens like a curtain
And spreads them out like a tent to dwell in.
Isaiah 40:21-22
tim-from-pa
Member
According to Einstein, movement is relative and only exists in relation to a reference point or reference system. So it's basically right to say the earth doesn't move if the earth is our point of reference. In that case the sun would rotate around us, along with the rest of the solar system, following a pretty weird pattern because the gravitational centre of the solar system is pretty much inside the sun's body, but who says the gravitational centre is the reference point, right?
This thread is funny. Successful troll is successful.
True, but your key word is "reference point", for the sake of appearances. That's different than some barycenter the geocentrists are adamant about. Troll or not, there are actually people that believe this, and there's plenty of flat-earthers out there as well.
TOG
Member
TOG
Member
Your a little off in your calculations. The earth is orbiting the sun at about 66,600 mph, and is rotating on it's axis at just over 1,000 mph (at the equator). If you're interested in actually learning something, you can read more about this and other things here.
The TOG
TOG
Member
You titled this thread "Gravity" and you don't have any understanding of how gravity works. Good job!
The TOG
so why does it do so and empty clockwise - twinc
tim-from-pa
Member
Speaking of the Coriolis effect, let's not forget the Foucault pendulum which follows only the local Azimuthal change of a stellar object at the horizon. There's no azimuthal change at the equator but it's all azimuthal change at the pole, or to put it simply, the pendulum does not change direction at the equator, rotates fully once a day at the pole, and somewhere in between in the middle latitudes (proportional to the sine of the latitude). On a non-rotating earth, the pendulum would be the same all over, i.e. it would swing the same direction all the time like on the equator. So the OP has this dilemma of answering why this type of pendulum seems to move at varying rates depending its placement on the earth.
Now the OP brought to us a web site of some character who wants to make the earth-center sound scientific that something even Newton would approve (and I say, keep Newton outta this and don't drag him in!). He claims that the center of the Universe's gravity is at the earth. Well, if we want to quote Newton, then we also realize he said that an object in motion will tend to stay in motion except exerted on my some outside force. A heavy pendulum will not change it's direction. So, in a non-rotating earth, it keeps the same direction. If the rotating earth turns under it, it tends to want to keep its direction, thus appears to "turn". If we want to purvey such a doctrine of earth-centered universe and quote Newton, then we have to stay consistent altogether.
Now the OP brought to us a web site of some character who wants to make the earth-center sound scientific that something even Newton would approve (and I say, keep Newton outta this and don't drag him in!). He claims that the center of the Universe's gravity is at the earth. Well, if we want to quote Newton, then we also realize he said that an object in motion will tend to stay in motion except exerted on my some outside force. A heavy pendulum will not change it's direction. So, in a non-rotating earth, it keeps the same direction. If the rotating earth turns under it, it tends to want to keep its direction, thus appears to "turn". If we want to purvey such a doctrine of earth-centered universe and quote Newton, then we have to stay consistent altogether.
Barbarian
Member
TOG replies:
He's repeating a historical puzzle the Greeks and Romans worried over. They knew the Earth was a sphere, and even had a good idea how big it was, after Eratosthenes succesfully measured its circumference about 300 BC. But they couldn't figure out how the people living on the "bottom" (the Antipodes) didn't fall off.
Of course, since Newton, it's not been a puzzle.
how about those living sideways and at other peculiar angles and centrifugal force etc - twinc