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Poll

What model do you believe most accurately describes the cosmos?

Modern Science:  earth revolves around barycenter of solar system as solar system moves through space, etc.
25 (24.5%)
Geocentrism:  earth is stationary, shaped like a globe, and the vast universe revolves around it
35 (34.3%)
Flat Earth:  earth is stationary, the surface we live on is flat, covered by a physical firmament, and the universe is closer than we're told
33 (32.4%)
Other
9 (8.8%)

Total Members Voted: 93

Author Topic: Cosmology Poll  (Read 96247 times)

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Offline St Giles

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Re: Cosmology Poll
« Reply #345 on: November 20, 2022, 01:03:53 PM »
 And the vaccuм of space (measured in torr) is orders of magnitude "stronger" than anything we've been able to reproduce here on earth. 


Please explain where you get this idea, and the proof behind it.

The mythbusters tested the vacuum tanker collapse, and it did not work with the model of tanker they used, which could be different than the one in the "myth", until they caused some damage to it. Round containers are very strong when a force is applied evenly distributed, but cause a slight deformity in one spot, and most of the strength is lost.


Can gravity not act on air? What causes hot air to rise and cold air to fall? What causes buoyancy? 

Re: Cosmology Poll
« Reply #346 on: November 21, 2022, 08:35:42 AM »
The true cosmology of the Earth isn't really that important to me, so I'll go with flat Earth because it makes soyence cultists seethe and froth at the mouth the most :trollface:
Almost all the FE videos you can find online are made by neo pagans and protestants :trollface:


Re: Cosmology Poll
« Reply #347 on: November 21, 2022, 08:40:03 AM »
Trying to debate with you Tradman and some others, is impossible. Take for example the statement above. Are you telling me I am so silly that I think water is gas. Or, are you telling me when water is mentioned in Scripture it really means gas. Then again, over here we call something funny as 'gas.' So when water is mentioned in Scripture is it just being funny? Trying to get a 1 on 1 or a 2 on 2 debate with flat-earthers is very difficult. Anyway, I got to hand it to you guys, you have chased every global earther off the forum. If you were a little more calm and reasonable, it could be an interesting subject. Calling us satanists, heretics, stupid and so on, is not how Jesus would teach a flat Earth, is it? Now that I think of it, did He?
I agree. I'm not even a globe earther but just trying to figure out things here, and already got many name callings. And it just blows my mind how people don't understand basic physics :facepalm:

Offline Ladislaus

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Re: Cosmology Poll
« Reply #348 on: November 21, 2022, 12:39:46 PM »
Can gravity not act on air? What causes hot air to rise and cold air to fall? What causes buoyancy?

Conceding for a moment that gravity as such exists, yes it could act on air, but the force of gravity does not suffice to overcome the tendency of entropy.  This is easily demonstrated, and has been demonstrated, simply by putting a vacuum chamber on top of a container filled with gas.  Demonstrations show that not only does the air spread upward into the vacuum, but water in the bottom of the container also evaporates.  Gravity, if it exists, is an extremely weak force.

As for buoyancy, I think your question is what accounts for the directionality of the buoyancy, and there are two thoughts out there, 1) some electromagnetic forces inherent in matter, or 2) the flow of ether.  I don't buy the Einsteinian stuff about curvature of space-time.

So the common explanation (except for raw gravity) is that there not enough air pressure at the top edges of the atmosphere to push the molecules/atoms out into the vacuum, since that's actually what's happening (vacuums don't actually "suck" from a physics standpoint), but this is just kicking the can down the road, because it doesn't explain why the entropy does not cause the more dense (higher pressure) molecules to push into the less dense areas, and the only plausible explanation for this is that this is all taking place within a container with a finite volume.

Offline St Giles

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Re: Cosmology Poll
« Reply #349 on: November 21, 2022, 08:13:50 PM »
.  I don't buy the Einsteinian stuff about curvature of space-time.
That's fine, but don't just throw it out until you are certain.

So the common explanation (except for raw gravity) is that there not enough air pressure at the top edges of the atmosphere to push the molecules/atoms out into the vacuum, since that's actually what's happening (vacuums don't actually "suck" from a physics standpoint), but this is just kicking the can down the road, because it doesn't explain why the entropy does not cause the more dense (higher pressure) molecules to push into the less dense areas, and the only plausible explanation for this is that this is all taking place within a container with a finite volume.
You know about inches of water and inches of mercury as a measurement of pressure, and that as you go deeper under water in a lake, or wherever, pressure increases. Why this pressure increase? Why should the air be any different? Actually air acts similarly. Put oil in water, and it floats to the top. Put helium in air, and it does the same. Why should water fall because of gravity, but not air? We could have an inches of air measurement, but not only would it be a really small unit, but such a unit of measure would only work in a vacuum just like how you can't weigh a certain number of inches of water in a column while under water. The altitude in which exists enough air pressure to breathe and survive is small compared to the lowest pressure zone at the edge of space, which makes sense because there is no more air to push down on it, so it will expand a lot more being of such little pressure. Yet, gravity still keeps those air molecules from completely flying away. Actually, I think the scientists say hydrogen and maybe helium too are lost into space.

In theory, it should be possible to measure the weight of a certain amount of air let into a vacuum chamber, and to measure the difference in pressure between the air in the top of the container and the bottom.