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Spherical Geometry in Navigation 

Sven Cattell
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31 окт 2024

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Комментарии : 76   
@aljonserna5598
@aljonserna5598 Год назад
Oh my God thank you... This basically destroys flat earthers
@marcg1686
@marcg1686 3 месяца назад
Several observations destroy the flat earth.
@kartikamarjeet2082
@kartikamarjeet2082 Год назад
This is what I was looking for to understand spherical geometry triangle. Well explained! Thank you very much!
@brettAnichols
@brettAnichols 2 года назад
It's like boxing with my brain. I'm not sure who's winning, but I am learning. Thank you!
@ndak2313
@ndak2313 2 года назад
Thank you! It’s helping me figure out the model for Sepharial’s teaching
@jorgehidalgo4792
@jorgehidalgo4792 Год назад
you really can explain this topic. Great job!
@taladiv3415
@taladiv3415 4 года назад
Thanks for your nice explanation.
@andrey730
@andrey730 Год назад
It was interesting video! But what it's missing is an illustration on how straight line what look on a sphere and why it's actually longer.
@cmdrtianyilin8107
@cmdrtianyilin8107 4 года назад
It becomes clearer when you project this on Google Earth.
@zenith6427
@zenith6427 2 года назад
I did the exact same thing
@homelesshendrix
@homelesshendrix 2 года назад
Google maps, regardless of its visual representation, is a flat plane with no positive curve whatsoever. NASA's Spherical system is completely untenable from a navigational perspective, being as we don't live on a planet.
@sissyfus6181
@sissyfus6181 10 месяцев назад
@@homelesshendrix Who ya kidding? You can't navigate and don't know the first thing about it. You're embarrassing yourself.
@nehalkalita1
@nehalkalita1 2 года назад
Still, I am doubtful about the example on flight path between Manila, Philippines and Florida, USA.
@yupok318
@yupok318 Год назад
good it shows you have a functioning brain. One could EASILY place a plane and its attendant circle between W Palm ( Boca has no International airport)and Manila or any other place
@AlexFoxthrot
@AlexFoxthrot 7 месяцев назад
​@@yupok318Good, now explain a direct flight between Sydney and Johannesburg. Not a single flatearther has been able to give a valid explanation.
@DrEMichaelJones
@DrEMichaelJones 3 года назад
What would be the best device to measure this in the real world? And fwiw, this is spherical trigonometry not "spherical geometry" as there are no Euclidean straight lines in "spherical geometry."
@eMBO_Gaming
@eMBO_Gaming 2 месяца назад
Spherical geometry is a non Euclidean geometry.
@DrEMichaelJones
@DrEMichaelJones 2 месяца назад
@@eMBO_Gaming spherical trigonometry is Euclidean and this is 100% spherical trigonometry as all of the functions require straight lines.
@Joshua_Bell_
@Joshua_Bell_ Год назад
Are you able to provide a practical example of this? For example, with a theodolite.
@kalamar_from_slovakia
@kalamar_from_slovakia Год назад
I still dont understand... The curve is already counted in on a flat projection of the earth.. thats why continents and states are distorted. So wouldnt that mean that the shortest path on a flat projection of the earth would be a straight line...
@99drums54
@99drums54 6 месяцев назад
yes and irl it would be curved
@gorf8799
@gorf8799 3 года назад
nice
@gorf8799
@gorf8799 3 года назад
@Easton Klayh AAAAAAAAAHHHHHHHHHHHHH EEEEEEEEEEEEEEEEEEE
@joeyhardin5903
@joeyhardin5903 4 года назад
did sailors use this in ancient times too
@lipikabhar1700
@lipikabhar1700 4 года назад
They were more genius than us...
@raymondfrye5017
@raymondfrye5017 3 года назад
Yes.
@mstone-wd7kc
@mstone-wd7kc 2 года назад
@@lipikabhar1700 ‘way more genius than us’ ~ actually, not true, but you are making a strong argument…
@jherman6132
@jherman6132 2 года назад
@@lipikabhar1700 in Hygiene no but in maths yes
@homelesshendrix
@homelesshendrix 2 года назад
Sailors have always used plane geometry, excepting the ones who got lost. the Sea is 'level and longitude lines grow further apart the further south the latitude. Great Circle sailing is a completely bogus application. Earth is not a planet, much less a globe.
@krizeussammeynardpalao1622
@krizeussammeynardpalao1622 2 года назад
Me who understands But can not answer
@micmaci9343
@micmaci9343 5 месяцев назад
4:32 that is not true the shortest distance between two two points on a sphere horizontaly layed on the same small cirrcle is that small circle.
@theplanetruth
@theplanetruth 2 года назад
5:43- no. Antipodal means opposite feet. And it is as ridiculous as it sounds, just ask Alice.
@marcg1686
@marcg1686 Год назад
The term he used was antipodal points. 'In mathematics, antipodal points of a sphere are those diametrically opposite to each other (the specific qualities of such a definition are that a line drawn from the one to the other passes through the center of the sphere so forms a true diameter).[1] This term applies to opposite points on a circle or any n-sphere.'
@theplanetruth
@theplanetruth 2 года назад
Since the earth is not a sphere, spherical geometry is begging the question.
@Spaz12ism
@Spaz12ism Год назад
thats why elliptical trigonometry accounts for that discrepancy.
@marcg1686
@marcg1686 Год назад
What are you doing here, Travis? Shouldn't you be trying to determine the diameter of your stupid flat earth? Or describe a coordinate system.
@everybodylovesballs
@everybodylovesballs 11 месяцев назад
All flight planning software uses an ellipsoid (like WGS 84) and a hundred thousand flights per day arrive at their destination. So I'd say that the predictions of spherical/ellipsoidal geometry as it relates to the Earth have been verified literally millions of times.
@sissyfus6181
@sissyfus6181 10 месяцев назад
Cool, so not only do you come here to announce how dumb you are you are kind enough to give a twofer in only one sentence. Well done.
@homelesshendrix
@homelesshendrix 2 года назад
If you are actually suggesting planes navigate using spherical geometry and the Great Circle, that flies in the face of reality. Planes use the polar coordinate system, which is cartesian in nature, just with zero at the center point directly under Polaris. Earth is not a planet, to begin with, and certainly all patents for aircraft are based on a fixed plane, i.e. flat earth. So you are lying to yourself and living a total fantasy if you think aircraft follow a curved path of any sort. The path is curved because the maps are curved. Look at the flight path on an Azimuthal Equidistant map and you will see its a strait line over a level plane.
@haven216
@haven216 2 года назад
I hope you realise that the polar coordinate system is 3D and uses spherical coordinates.
@TruckerCarlson
@TruckerCarlson 2 года назад
@@haven216 How so? polar coordinates have the north pole at the center of an x,y,z axis with everything in the positive y quadrants above sea level. Spherical and cartesian coordinates are the same things in this sense.
@marcg1686
@marcg1686 Год назад
Mindless flattard garbage. The distance from Johannesburg to Sydney is 12000km. Direct flights between the two cities are conducted weekly. On a moronic flat earth the straight line distance is more than 23000km. There is no commercial aircraft capable of revenue flight across that distance. You flattards suck at basic geometry.
@duncanmcneill7088
@duncanmcneill7088 11 месяцев назад
@@TruckerCarlson- congratulations, you are 100% incorrect. In a three dimensional Polar coordinate system, points are defined by a distance from the origin and two angles from two reference planes (usually orthogonal) which is completely different from a Cartesian coordinate system where points are defined by three distances from the origin along three (usually orthogonal) reference planes.
@duncanmcneill7088
@duncanmcneill7088 11 месяцев назад
“Planes use the polar coordinate system, which is Cartesian in nature”... This is hilarious to anyone who has studied anything more than the most basic geometry.
@skurbanvintr0
@skurbanvintr0 Год назад
Thanks the earth is flat and round !!
@gottogo8675
@gottogo8675 3 года назад
Wrong
@canadianbacon6536
@canadianbacon6536 Год назад
That is a lot of imagining
@yupok318
@yupok318 Год назад
Um it's either a line or it ain't. Calling circles lines is just BS. To me this proves that the earth is flat after all and I dont need mental gymnastics to try to show otherwise.
@AlexFoxthrot
@AlexFoxthrot 9 месяцев назад
Reality is independent on what you are able to grasp or not.
@sissyfus6181
@sissyfus6181 9 месяцев назад
@@AlexFoxthrot Good one!
@Luis-fc6mn
@Luis-fc6mn 7 месяцев назад
You are not qualified to have this conversation.
@timetraveler7
@timetraveler7 3 месяца назад
Lines can be curved in math...
@Nahulanham
@Nahulanham 3 года назад
My understanding that has been that Euclid was doing his geometry on a 2-d plane and that it wasn't until Gauss measured the region around Gottengen in a large survey map, that it was that the differences were discovered between the two.
@philippecanepa4509
@philippecanepa4509 2 года назад
Didn’t know that….
@homelesshendrix
@homelesshendrix 2 года назад
Its my understanding Euclid was the Last real Mathematician, and everyone after him violated his 5th postulate, thus creating an imaginary world where parallel lines intersect, and we are now living in a non-Euclidean matrix that is a complete hoax.
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