Flat earth debunked.

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Gideon300

Well-known member
Mar 18, 2021
5,347
3,148
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No. Lol. You don't get to make up the rules of physics. It's obviously untrue that if the Earth were flat, radar would be able to travel unlimited distances (for one thing, I know the Earth is flat and radar can't travel unlimited distances). However, even Heliocentrists admit that there is a limit to radar range based on factors such as frequency, power, atmospheric conditions etc.

However, if the Earth were curved, as you claim, radar wouldn't be able to travel as far as it does at sea, because the curve of the horizon would block the radar transmission. That the horizon does not block radar at such relatively short distances (e.g. 50km in the example I showed) is proof that the Earth is flat, not curved as you claim.
You are clueless. Airborne radar is capable ranges of hundreds of kilometres, AWACS, for example, 375 km. And that is exactly because it does not have to cope with the curvature of the earth.

Yes, radar range is dependent on frequency and power. It's a trade off. Low frequency radar has a ground wave that greatly increases the range. The problem is that the definition is not good enough for navigation or fire control. You have enough knowledge to confuse you and allow you to spout specious arguments, but not enough to do you any good.
 

RaceRunner

Well-known member
Oct 13, 2022
1,576
289
83
You are clueless. Airborne radar is capable ranges of hundreds of kilometres, AWACS, for example, 375 km. And that is exactly because it does not have to cope with the curvature of the earth.

Yes, radar range is dependent on frequency and power. It's a trade off. Low frequency radar has a ground wave that greatly increases the range. The problem is that the definition is not good enough for navigation or fire control. You have enough knowledge to confuse you and allow you to spout specious arguments, but not enough to do you any good.
 
Sep 15, 2019
9,991
5,546
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You are clueless. Airborne radar is capable ranges of hundreds of kilometres, AWACS, for example, 375 km. And that is exactly because it does not have to cope with the curvature of the earth.
I think you have a flawed understanding of basic science and/or logic, so you're not understanding my point. To reiterate in simpler terms that I hope you can understand - the maximum range achievable by radar doesn't really prove anything. What I have showed you, were you more scientifically/logically inclined, is that if Earth were a ball, the curvature would prevent radar at sea from travelling even 50km. This is a lower number that is easily demonstrable by most radar, with relatively low power. That the alleged curvature does not prevent radar from working over such distances is proof that the Earth is not curved, ergo it is not a ball.

Yes, radar range is dependent on frequency and power. It's a trade off. Low frequency radar has a ground wave that greatly increases the range. The problem is that the definition is not good enough for navigation or fire control. You have enough knowledge to confuse you and allow you to spout specious arguments, but not enough to do you any good.
As above. If you can disprove my claim, I'm happy to accept your superiority on the subject - afterall, you allege you have four years experience, while I know simply what I have read in my spare time. This said, from your comments until now, I believe I am more knowledgable on the specifics of this subject relating to Earth's shape than you.
 
Sep 15, 2019
9,991
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You're confused and clearly don't understand the physics of water. In none of those cases is the water actually "flat".
I'd argue that you don't understand it. No matter the size of the container, the meniscus doesn't appreciably change in size. Or are you arguing over a large enough distance, the meniscus can actually make it up, over and all the way around? Lol.

I think you were being disingenious rather than promoting this view, though.
 

Billyd

Senior Member
May 8, 2014
5,230
1,633
113
Pick any point on a globe. Take a compass and draw a circle around that point. You will see that at the circle there appears to be no curvature. If you do the same from the bridge of a ship, as you do a 360 degree spin you will see no curvature in the horizon. As a ship approaches you from your position on the bridge of the your ship, you will see the mast of the approaching ship, then the bridge, and as the ship passes from over the horizon, you will see the entire ship. There is absolutely no way for this to happen unless the earth is a sphere.

One of the most interesting things to watch from the bridge happens when the ocean's surface is smooth. As the ship approaching you and as it crosses the horizon, you see the mast of the approaching ship's reflection grow into a mirror image of the ship. When the approaching ship crosses the horizon it will look like two ships are attached at the water line. This growth from a mast into full ships can occur only if the earth is a sphere.

I have spent many hours at the con of (driving) an aircraft carrier. I have observed thousands of ships crossing the horizon. By observation (not the ridiculous pictures posted here) alone There is not a shadow of doubt that the earth is a sphere.

Take a cruise and see for yourself!
 

RaceRunner

Well-known member
Oct 13, 2022
1,576
289
83
Pick any point on a globe. Take a compass and draw a circle around that point. You will see that at the circle there appears to be no curvature. If you do the same from the bridge of a ship, as you do a 360 degree spin you will see no curvature in the horizon. As a ship approaches you from your position on the bridge of the your ship, you will see the mast of the approaching ship, then the bridge, and as the ship passes from over the horizon, you will see the entire ship. There is absolutely no way for this to happen unless the earth is a sphere.

One of the most interesting things to watch from the bridge happens when the ocean's surface is smooth. As the ship approaching you and as it crosses the horizon, you see the mast of the approaching ship's reflection grow into a mirror image of the ship. When the approaching ship crosses the horizon it will look like two ships are attached at the water line. This growth from a mast into full ships can occur only if the earth is a sphere.

I have spent many hours at the con of (driving) an aircraft carrier. I have observed thousands of ships crossing the horizon. By observation (not the ridiculous pictures posted here) alone There is not a shadow of doubt that the earth is a sphere.

Take a cruise and see for yourself!
1688232204708.jpeg
 

RaceRunner

Well-known member
Oct 13, 2022
1,576
289
83
Pick any point on a globe. Take a compass and draw a circle around that point. You will see that at the circle there appears to be no curvature. If you do the same from the bridge of a ship, as you do a 360 degree spin you will see no curvature in the horizon. As a ship approaches you from your position on the bridge of the your ship, you will see the mast of the approaching ship, then the bridge, and as the ship passes from over the horizon, you will see the entire ship. There is absolutely no way for this to happen unless the earth is a sphere.

One of the most interesting things to watch from the bridge happens when the ocean's surface is smooth. As the ship approaching you and as it crosses the horizon, you see the mast of the approaching ship's reflection grow into a mirror image of the ship. When the approaching ship crosses the horizon it will look like two ships are attached at the water line. This growth from a mast into full ships can occur only if the earth is a sphere.

I have spent many hours at the con of (driving) an aircraft carrier. I have observed thousands of ships crossing the horizon. By observation (not the ridiculous pictures posted here) alone There is not a shadow of doubt that the earth is a sphere.

Take a cruise and see for yourself!
1688232263018.jpeg