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Oops! NASA refers to “a stationary atmosphere over a flat, non-rotating earth

 
Benjamin
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Oops! NASA refers to “a stationary atmosphere over a flat, non-rotating earth
NASA refers to “a stationary atmosphere over a flat, non-rotating earth”

If the earth is a spinning globe (oblate spheroid) in the infinite vacuum of space then why does NASA in “NASA Reference Publication 1207 – August 1988” on page 30, refer to a “a stationary atmosphere over a flat, non-rotating earth”?

[link to www.nasa.gov]
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Re: Oops! NASA refers to “a stationary atmosphere over a flat, non-rotating earth


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Re: Oops! NASA refers to “a stationary atmosphere over a flat, non-rotating earth
NASA refers to “a stationary atmosphere over a flat, non-rotating earth”

If the earth is a spinning globe (oblate spheroid) in the infinite vacuum of space then why does NASA in “NASA Reference Publication 1207 – August 1988” on page 30, refer to a “a stationary atmosphere over a flat, non-rotating earth”?

[link to www.nasa.gov]
 Quoting: Benjamin 73525517


Because they were modeling an aircraft in flight and to simplify the computations they used a model of a flat stationary earth. Computing power was much more limited in 1988...
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Re: Oops! NASA refers to “a stationary atmosphere over a flat, non-rotating earth
good find op bump
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Re: Oops! NASA refers to “a stationary atmosphere over a flat, non-rotating earth
NASA refers to “a stationary atmosphere over a flat, non-rotating earth”

If the earth is a spinning globe (oblate spheroid) in the infinite vacuum of space then why does NASA in “NASA Reference Publication 1207 – August 1988” on page 30, refer to a “a stationary atmosphere over a flat, non-rotating earth”?

[link to www.nasa.gov]
 Quoting: Benjamin 73525517


Because they were modeling an aircraft in flight and to simplify the computations they used a model of a flat stationary earth. Computing power was much more limited in 1988...
 Quoting: The Deplorable Astromut


But da erfs is flat!

Antartic ice wall!

Derp derp derp!
Anonymous Coward
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03/03/2017 02:18 PM
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Re: Oops! NASA refers to “a stationary atmosphere over a flat, non-rotating earth
they are referring to a non rotating cylindrical model..picture a globe with the poles lopped off to flatness, this is what they mean by cylinder...I believe they specifically ran models like this to push the globe model...it doesn't mean its flat it just means they were fully aware that the debate was not over
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Re: Oops! NASA refers to “a stationary atmosphere over a flat, non-rotating earth
they are referring to a non rotating cylindrical model..picture a globe with the poles lopped off to flatness, this is what they mean by cylinder...I believe they specifically ran models like this to push the globe model...it doesn't mean its flat it just means they were fully aware that the debate was not over
 Quoting: Anonymous Coward 70482696


adding to my own here...this wasn't new either folks..this issue of the poles being flat or the middle "bulging" as they say..it has never been settled officially....
Anonymous Coward
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Re: Oops! NASA refers to “a stationary atmosphere over a flat, non-rotating earth
NASA refers to “a stationary atmosphere over a flat, non-rotating earth”

If the earth is a spinning globe (oblate spheroid) in the infinite vacuum of space then why does NASA in “NASA Reference Publication 1207 – August 1988” on page 30, refer to a “a stationary atmosphere over a flat, non-rotating earth”?

[link to www.nasa.gov]
 Quoting: Benjamin 73525517


Because they were modeling an aircraft in flight and to simplify the computations they used a model of a flat stationary earth. Computing power was much more limited in 1988...
 Quoting: The Deplorable Astromut


There is no end to this asshole's sympathizing stupidity. Why do you deny basic math? There is no curvature. The stars above us have never moved out of place, yet we're supposed to be spinning and endlessly moving through space. You are a fucking idiot or oaid to post lies, either way fuck you.
Cybored

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Re: Oops! NASA refers to “a stationary atmosphere over a flat, non-rotating earth
NASA refers to “a stationary atmosphere over a flat, non-rotating earth”

If the earth is a spinning globe (oblate spheroid) in the infinite vacuum of space then why does NASA in “NASA Reference Publication 1207 – August 1988” on page 30, refer to a “a stationary atmosphere over a flat, non-rotating earth”?

[link to www.nasa.gov]
 Quoting: Benjamin 73525517


Because they were modeling an aircraft in flight and to simplify the computations they used a model of a flat stationary earth. Computing power was much more limited in 1988...
 Quoting: The Deplorable Astromut


jay
Information is the most dangerous weapon of all ...

"A computer is like air conditioning – it becomes useless when you open Windows" - Linus Torvalds
Benjamin (OP)
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03/03/2017 02:33 PM
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Re: Oops! NASA refers to “a stationary atmosphere over a flat, non-rotating earth
NASA refers to “a stationary atmosphere over a flat, non-rotating earth”

If the earth is a spinning globe (oblate spheroid) in the infinite vacuum of space then why does NASA in “NASA Reference Publication 1207 – August 1988” on page 30, refer to a “a stationary atmosphere over a flat, non-rotating earth”?

[link to www.nasa.gov]
 Quoting: Benjamin 73525517


Because they were modeling an aircraft in flight and to simplify the computations they used a model of a flat stationary earth. Computing power was much more limited in 1988...
 Quoting: The Deplorable Astromut


Here is another government document, this time from the FAA that makes a Flat Earth reference.

On page 32, It states …

So in other words, for all intents and purposes, unless you are traveling at above Mach 3, or intend to travel into low Earth orbit or higher, then you should just consider the earth to be flat.

But if the Earth was truly curved then this would not work.

For example if you were flying from Sydney, on the east coast of Australia to Perth in Western Australia you would have to travel a distance of 2034 miles.

The alleged Earth curvature over that distance should be 522.37 miles. That means that unless the pilot constantly dipped the nose of the plane down towards the ground as he flew, by the time he reached Perth he would be flying at an altitude of 522.37 miles or 2,758,113 feet higher than he should be!

This fact alone proves the EARTH IS FLAT!

You can download the document directly from the FAA 


[link to www.faa.gov]
Benjamin (OP)
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03/03/2017 02:45 PM
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Re: Oops! NASA refers to “a stationary atmosphere over a flat, non-rotating earth
Screenshot available of page 32 here:


IMAGE ( [link to i63.tinypic.com] )
The Deplorable AstromutModerator
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03/03/2017 02:46 PM

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Re: Oops! NASA refers to “a stationary atmosphere over a flat, non-rotating earth
NASA refers to “a stationary atmosphere over a flat, non-rotating earth”

If the earth is a spinning globe (oblate spheroid) in the infinite vacuum of space then why does NASA in “NASA Reference Publication 1207 – August 1988” on page 30, refer to a “a stationary atmosphere over a flat, non-rotating earth”?

[link to www.nasa.gov]
 Quoting: Benjamin 73525517


Because they were modeling an aircraft in flight and to simplify the computations they used a model of a flat stationary earth. Computing power was much more limited in 1988...
 Quoting: The Deplorable Astromut


Here is another government document, this time from the FAA that makes a Flat Earth reference.

On page 32, It states …

So in other words, for all intents and purposes, unless you are traveling at above Mach 3, or intend to travel into low Earth orbit or higher, then you should just consider the earth to be flat.

But if the Earth was truly curved then this would not work.

For example if you were flying from Sydney, on the east coast of Australia to Perth in Western Australia you would have to travel a distance of 2034 miles.

The alleged Earth curvature over that distance should be 522.37 miles. That means that unless the pilot constantly dipped the nose of the plane down towards the ground as he flew, by the time he reached Perth he would be flying at an altitude of 522.37 miles or 2,758,113 feet higher than he should be!

This fact alone proves the EARTH IS FLAT!

You can download the document directly from the FAA 


[link to www.faa.gov]
 Quoting: Benjamin 73525517


Here is what it actually says:
"The observant reader will notice that the aircraft equations of motion were calculated
assuming a flat Earth and that we here assume the development frame was the NorthEast-Down
frame. This implies necessarily that earth rotation and the variation of the
gravity vector with position over the earth were ignored in developing the aircraft
equations of motion. This simplification limits our mathematical model to the flight of
aircraft only. The model will not properly handle the flight of sub-orbital craft and
spacecraft such as intercontinental ballistic missiles, satellites, or the space shuttle. The
model is adequate for all vehicles traveling under Mach 3. "

Again, they're deliberately simplifying their calculations since they don't need to account for the Eotvos or Coriolis effects for their purposes. That is not proof earth is literally flat. If I model earth as a cube in a computer and run an experiment on that model it doesn't mean earth is literally a cube just because it might locally show similar results in certain conditions.
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Re: Oops! NASA refers to “a stationary atmosphere over a flat, non-rotating earth
NASA refers to “a stationary atmosphere over a flat, non-rotating earth”

If the earth is a spinning globe (oblate spheroid) in the infinite vacuum of space then why does NASA in “NASA Reference Publication 1207 – August 1988” on page 30, refer to a “a stationary atmosphere over a flat, non-rotating earth”?

[link to www.nasa.gov]
 Quoting: Benjamin 73525517


Because they were modeling an aircraft in flight and to simplify the computations they used a model of a flat stationary earth. Computing power was much more limited in 1988...
 Quoting: The Deplorable Astromut


There is no end to this asshole's sympathizing stupidity. Why do you deny basic math? There is no curvature. The stars above us have never moved out of place, yet we're supposed to be spinning and endlessly moving through space. You are a fucking idiot or oaid to post lies, either way fuck you.
 Quoting: Anonymous Coward 73349675


Those stars are hundreds to billions of light years away, with the speed we are traveling through the galaxy you are honestly an idiot to think that we'd be able to detect the movement without the right instruments and calculations. And did you ever think about the fact that those stars are also moving, with the closest ones likely moving along a similar path and at a similar speed? On top of it, they do move in relation to the rotation of the earth and the seasons. Even a moran can't deny that. I think flat earthers are even dumber than people who believe in the god of the bible.
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Re: Oops! NASA refers to “a stationary atmosphere over a flat, non-rotating earth
NASA refers to “a stationary atmosphere over a flat, non-rotating earth”

If the earth is a spinning globe (oblate spheroid) in the infinite vacuum of space then why does NASA in “NASA Reference Publication 1207 – August 1988” on page 30, refer to a “a stationary atmosphere over a flat, non-rotating earth”?

[link to www.nasa.gov]
 Quoting: Benjamin 73525517


Because they were modeling an aircraft in flight and to simplify the computations they used a model of a flat stationary earth. Computing power was much more limited in 1988...
 Quoting: The Deplorable Astromut


There is no end to this asshole's sympathizing stupidity. Why do you deny basic math? There is no curvature. The stars above us have never moved out of place, yet we're supposed to be spinning and endlessly moving through space. You are a fucking idiot or oaid to post lies, either way fuck you.
 Quoting: Anonymous Coward 73349675


gn05392chrono
Sorry, what were you saying?
astrobanner2
Benjamin (OP)
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03/03/2017 03:09 PM
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Re: Oops! NASA refers to “a stationary atmosphere over a flat, non-rotating earth
bump
Benjamin (OP)
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03/03/2017 03:16 PM
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Re: Oops! NASA refers to “a stationary atmosphere over a flat, non-rotating earth


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Anonymous Coward
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03/03/2017 03:17 PM
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Re: Oops! NASA refers to “a stationary atmosphere over a flat, non-rotating earth
NASA refers to “a stationary atmosphere over a flat, non-rotating earth”

If the earth is a spinning globe (oblate spheroid) in the infinite vacuum of space then why does NASA in “NASA Reference Publication 1207 – August 1988” on page 30, refer to a “a stationary atmosphere over a flat, non-rotating earth”?

[link to www.nasa.gov]
 Quoting: Benjamin 73525517


Because they were modeling an aircraft in flight and to simplify the computations they used a model of a flat stationary earth. Computing power was much more limited in 1988...
 Quoting: The Deplorable Astromut


Here is another government document, this time from the FAA that makes a Flat Earth reference.

On page 32, It states …

So in other words, for all intents and purposes, unless you are traveling at above Mach 3, or intend to travel into low Earth orbit or higher, then you should just consider the earth to be flat.

But if the Earth was truly curved then this would not work.

For example if you were flying from Sydney, on the east coast of Australia to Perth in Western Australia you would have to travel a distance of 2034 miles.

The alleged Earth curvature over that distance should be 522.37 miles. That means that unless the pilot constantly dipped the nose of the plane down towards the ground as he flew, by the time he reached Perth he would be flying at an altitude of 522.37 miles or 2,758,113 feet higher than he should be!

This fact alone proves the EARTH IS FLAT!

You can download the document directly from the FAA 


[link to www.faa.gov]
 Quoting: Benjamin 73525517


Here is what it actually says:
"The observant reader will notice that the aircraft equations of motion were calculated
assuming a flat Earth and that we here assume the development frame was the NorthEast-Down
frame. This implies necessarily that earth rotation and the variation of the
gravity vector with position over the earth were ignored in developing the aircraft
equations of motion. This simplification limits our mathematical model to the flight of
aircraft only. The model will not properly handle the flight of sub-orbital craft and
spacecraft such as intercontinental ballistic missiles, satellites, or the space shuttle. The
model is adequate for all vehicles traveling under Mach 3. "

Again, they're deliberately simplifying their calculations since they don't need to account for the Eotvos or Coriolis effects for their purposes. That is not proof earth is literally flat. If I model earth as a cube in a computer and run an experiment on that model it doesn't mean earth is literally a cube just because it might locally show similar results in certain conditions.
 Quoting: The Deplorable Astromut


they are "simplifying" because the rotation never is a factor in any flights...on the reentry models nasa is clearly trying to make the case that running simulations without rotation results in missing the landing...but for some strange reason no one else has to worry about this but nasa...strange no? these forces of nature that can move things as light as air or hold an ocean to earth have no effect on aircraft in the practical sense....
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Re: Oops! NASA refers to “a stationary atmosphere over a flat, non-rotating earth
...


Because they were modeling an aircraft in flight and to simplify the computations they used a model of a flat stationary earth. Computing power was much more limited in 1988...
 Quoting: The Deplorable Astromut


Here is another government document, this time from the FAA that makes a Flat Earth reference.

On page 32, It states …

So in other words, for all intents and purposes, unless you are traveling at above Mach 3, or intend to travel into low Earth orbit or higher, then you should just consider the earth to be flat.

But if the Earth was truly curved then this would not work.

For example if you were flying from Sydney, on the east coast of Australia to Perth in Western Australia you would have to travel a distance of 2034 miles.

The alleged Earth curvature over that distance should be 522.37 miles. That means that unless the pilot constantly dipped the nose of the plane down towards the ground as he flew, by the time he reached Perth he would be flying at an altitude of 522.37 miles or 2,758,113 feet higher than he should be!

This fact alone proves the EARTH IS FLAT!

You can download the document directly from the FAA 


[link to www.faa.gov]
 Quoting: Benjamin 73525517


Here is what it actually says:
"The observant reader will notice that the aircraft equations of motion were calculated
assuming a flat Earth and that we here assume the development frame was the NorthEast-Down
frame. This implies necessarily that earth rotation and the variation of the
gravity vector with position over the earth were ignored in developing the aircraft
equations of motion. This simplification limits our mathematical model to the flight of
aircraft only. The model will not properly handle the flight of sub-orbital craft and
spacecraft such as intercontinental ballistic missiles, satellites, or the space shuttle. The
model is adequate for all vehicles traveling under Mach 3. "

Again, they're deliberately simplifying their calculations since they don't need to account for the Eotvos or Coriolis effects for their purposes. That is not proof earth is literally flat. If I model earth as a cube in a computer and run an experiment on that model it doesn't mean earth is literally a cube just because it might locally show similar results in certain conditions.
 Quoting: The Deplorable Astromut


they are "simplifying" because the rotation never is a factor in any flights...on the reentry models nasa is clearly trying to make the case that running simulations without rotation results in missing the landing...but for some strange reason no one else has to worry about this but nasa...strange no? these forces of nature that can move things as light as air or hold an ocean to earth have no effect on aircraft in the practical sense....
 Quoting: Anonymous Coward 70482696


Not in the sense of affecting the handling characteristics, flight characteristics, needed for these simulations etc. But yes, in terms of navigation over long hauls it is a huge factor. This is why quote mining makes you look like an idiot.

Last Edited by Astromut on 03/03/2017 03:19 PM
astrobanner2
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Re: Oops! NASA refers to “a stationary atmosphere over a flat, non-rotating earth
good find op bump
 Quoting: Anonymous Coward 70940335


NASA refers to “a stationary atmosphere over a flat, non-rotating earth”

If the earth is a spinning globe (oblate spheroid) in the infinite vacuum of space then why does NASA in “NASA Reference Publication 1207 – August 1988” on page 30, refer to a “a stationary atmosphere over a flat, non-rotating earth”?

[link to www.nasa.gov]
 Quoting: Benjamin 73525517


Because they were modeling an aircraft in flight and to simplify the computations they used a model of a flat stationary earth. Computing power was much more limited in 1988...
 Quoting: The Deplorable Astromut


It seems common sense had more credibility then? Is that what you mean?? Computing power doesn't override common sense..
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Re: Oops! NASA refers to “a stationary atmosphere over a flat, non-rotating earth
good find op bump
 Quoting: Anonymous Coward 70940335


NASA refers to “a stationary atmosphere over a flat, non-rotating earth”

If the earth is a spinning globe (oblate spheroid) in the infinite vacuum of space then why does NASA in “NASA Reference Publication 1207 – August 1988” on page 30, refer to a “a stationary atmosphere over a flat, non-rotating earth”?

[link to www.nasa.gov]
 Quoting: Benjamin 73525517


Because they were modeling an aircraft in flight and to simplify the computations they used a model of a flat stationary earth. Computing power was much more limited in 1988...
 Quoting: The Deplorable Astromut


It seems common sense had more credibility then? Is that what you mean?? Computing power doesn't override common sense..
 Quoting: Anonymous Coward 74303733


And common sense doesn't override reality. Earth isn't flat just because airplanes can be evaluated in simplified simulations.
astrobanner2
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Re: Oops! NASA refers to “a stationary atmosphere over a flat, non-rotating earth
ohlook
Hurr
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03/03/2017 07:59 PM
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Re: Oops! NASA refers to “a stationary atmosphere over a flat, non-rotating earth
NASA refers to “a stationary atmosphere over a flat, non-rotating earth”

If the earth is a spinning globe (oblate spheroid) in the infinite vacuum of space then why does NASA in “NASA Reference Publication 1207 – August 1988” on page 30, refer to a “a stationary atmosphere over a flat, non-rotating earth”?

[link to www.nasa.gov]
 Quoting: Benjamin 73525517


Because they were modeling an aircraft in flight and to simplify the computations they used a model of a flat stationary earth. Computing power was much more limited in 1988...
 Quoting: The Deplorable Astromut


Here is another government document, this time from the FAA that makes a Flat Earth reference.

On page 32, It states …

So in other words, for all intents and purposes, unless you are traveling at above Mach 3, or intend to travel into low Earth orbit or higher, then you should just consider the earth to be flat.

But if the Earth was truly curved then this would not work.

For example if you were flying from Sydney, on the east coast of Australia to Perth in Western Australia you would have to travel a distance of 2034 miles.

The alleged Earth curvature over that distance should be 522.37 miles. That means that unless the pilot constantly dipped the nose of the plane down towards the ground as he flew, by the time he reached Perth he would be flying at an altitude of 522.37 miles or 2,758,113 feet higher than he should be!

This fact alone proves the EARTH IS FLAT!

You can download the document directly from the FAA 


[link to www.faa.gov]
 Quoting: Benjamin 73525517


It is NOT necessary to constantly dip the nose. The plane will take care of that for you. Lift is opposed to gravity. When the direction of gravity changes, the plane self adjusts with no outside input necessary. If it didn't then you would lose lift and it would be flying against its trim. it is such a gradual and constant change it isn't noticed.





GLP