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How to Use an Armillary Sphere 

Towero Mirth
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It's surprising how little is available online regarding how to use an armillary sphere. I've parsed together a few techniques, which I demonstrate here. If I've made significant errors, my apologies. Hopefully it doesn't throw off your next solstice party.If you'd like to print your own model like the one used here, it's available for free download at www.thingiverse.com/thing:462....

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21 июл 2024

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Комментарии : 44   
@bartonmaru1
@bartonmaru1 11 месяцев назад
No computers or telescopes. Just painstaking observations over years from the Astrologer-Astromers of the past. And it works! Fantastic.
@zhugrass
@zhugrass 2 года назад
Thank you so much for the video, and your instructions on how to use the armillary sphere: it was very helpful. I think you made a slight error, however, in the calculation of sunrise and sunset times, when you set the current date at the equinox (not the summer solstice). The angle, as shown, would then be 90 degrees from the meridian, and using your calculation that makes sunrise and sunset 6 hours before and after noon respectively, which for the equinox is absolutely correct. It just shows what a beautiful instrument the armillary sphere was in the past, and still is, despite our modern knowledge of the heliocentric system. The sphere showed, of course, the 'apparent' cosmos - not the actual one - but highly accurately all the same. It was real science in its day, and as you demonstrated it still works wonderfully well. Thanks again.
@ganymede242
@ganymede242 3 года назад
Great video. I couldn't find a better resource to explain these strange yet familiar devices.
@Kittyreaper
@Kittyreaper 3 года назад
Thanks for the info :) I always thought they were visually appealing but never knew how to use them practically. Now I know!!
@lowercase18
@lowercase18 2 месяца назад
The armillary "sphere" is based on a horizontal flat circle as the base with various arc in the sky through which the heavens move. It's a flat earth model. Of curse it's a device based on a specific location. Also, this one is missing the small sun and moon that was inside the hemisphere.
@etvaht-115
@etvaht-115 Месяц назад
Good god was this informative. Thank you Sir
@brendanmurphy3429
@brendanmurphy3429 3 года назад
Excellent video. Amazing devices. How ingenious were those ancients. Humbling really.
@Reach3DPrinters
@Reach3DPrinters 3 года назад
Very informative. I always had wondered about them, seeing them in many renaissance paintings, not knowing exactly what they were. Thanks for the info!
@eli-vu3vb
@eli-vu3vb 2 года назад
Will you be 3d printing these?
@Reach3DPrinters
@Reach3DPrinters 2 года назад
@@eli-vu3vb Its certainly something I could do, I didn't print one though. Im sure a product like this could be purchased on amazon or ebay for less than the effort of printing one. YEP: amazon has them for $15 - $20... lots of them. If I were to charge someone to print this with FDM, it would probably be in the $40 range depending on size and would have low detail. To print in resin, it would be significantly more, $100, but would be high detail. Really depends on size though... but that would be plastic. The ones on amazon are metal for $20, so thats hard to beat. I should add, if i wanted one for myself, it might cost me $4-5 in plastic, so i could save money, but it would take a couple hours to clean and assemble and glue... so it comes down to how valuable your time is, or if your pursuits on the experience is worth the investment of the time. Some people like building models, so printing your own might be more fun... also the option of customizing the model before printing it, making it truly a one of a kind. So printing does have benefits, but not for production at hardly any scale, unless its more of a prototype or one off situation.
@eli-vu3vb
@eli-vu3vb 2 года назад
@@Reach3DPrinters If you were to 3d print them please send me the cad files as well :)
@Krcourtright
@Krcourtright 3 года назад
Your 3D models are fantastic and these videos are super cool. Have you considered making/explaining an astrolabe?
@anonymous-jm8rt
@anonymous-jm8rt 3 года назад
Armillary sphere on Portugal flag 🇵🇹
@clintgolub1751
@clintgolub1751 Год назад
And on that *massive* beautiful monument in Portugal’s capital Lisboa, the “Padrão dos Descobrimentos” (Monument of the Discoveries)
@pauloamaral6069
@pauloamaral6069 6 месяцев назад
It was on our flag too 🇧🇷, before we spit on monarchy 😢
@stephaniemcguire
@stephaniemcguire 11 месяцев назад
Very nice explanation and presentation!
@Chase14videos
@Chase14videos 2 года назад
"If your like me you've-" *PIANO PLAYER REFUSES TO YEILD*
@megharajoria
@megharajoria 2 года назад
Thank you for such a beautiful explanation. Its very helpful.
@yanfeishi8400
@yanfeishi8400 3 года назад
Thank you for the print link!
@leonight2417
@leonight2417 3 года назад
Dude... Thank you. I love you. I can see the stars.
@lucasbracher
@lucasbracher 4 месяца назад
Concise and beautiful. Thank you!
@tamaraa147
@tamaraa147 2 года назад
This was a great help thank you!
@stankygeorge
@stankygeorge 2 года назад
Thank you for the education, I've wondered about these things, now I know!
@brendasmall8178
@brendasmall8178 Месяц назад
Thanks for the lesson 👍🏾 !!!!
@ukfirebird
@ukfirebird 3 года назад
Brilliant, many thanks.
@lindamanas6735
@lindamanas6735 Год назад
Really excellent!
@ibraheemtalash5094
@ibraheemtalash5094 3 года назад
You said you did some reading please tell me e where did you get hands on on the material and what did you to read because there is is nothing on internet recording are mil re e spares very much thank you
@songzheng3817
@songzheng3817 2 года назад
omg I learned something this is so cool! so I'm in california I can use this to imagine the sun rise / sunset in the north / south pole. hella cool.
@yannarus4143
@yannarus4143 Год назад
CAN YOU ASSEMBLE AND SELL THESE ON AMAZON PLEASE!!!!! AWESOME VIDEO!!!
@iitsssmaya3863
@iitsssmaya3863 3 года назад
Thank you!
@arina6153
@arina6153 2 года назад
Great, thanks a lot!
@SimpLeeBeth
@SimpLeeBeth Год назад
❤️
@gy9326
@gy9326 3 года назад
Made one at 50%. Thanks
@user-yl4lf9mh1w
@user-yl4lf9mh1w 7 месяцев назад
Bethesdas Starfield game brought me here. :)
@HecmarJayam
@HecmarJayam 2 года назад
Flat earthers hate this.
@dboydboy1000
@dboydboy1000 2 года назад
This is actually a Flat Earth instrument, created by people who comprehended the truth. Don’t let that recently added globe inside fool you…again. Crazy to think back how my government deceived me into believing that I lived on a ever-spinning giant ball. Picture a basketball being spun on a finger….at a certain point, 100% of the time the ball eventually stops spinning. But not the magical spinning ball Earth! 🌏 🤣 The spinning globe theory is RIDICULOUS 💯
@presidentgas4486
@presidentgas4486 Месяц назад
No, you are thinking of the later heliocentric model by copernicus. This is the geocentric model. Note the horizon ring (plane of inertia) stays flat and the ball in the middle remains still. If you slice the ball in two I would say we are living in the bottom half like a giant crater. If the sun and moon were in this model it would make more. The sun makes a figure of eight in the sky over a year or an analemma pattern which fits this model. Plus the ancients were using this model for thousands of years before Copernicus came along and put his spin on it....
@seanturner1197
@seanturner1197 Год назад
1910 flag and coat of arms of Portugal.
@WHNorthcote
@WHNorthcote 3 года назад
Lets see the flat earth people explain this away.
@Yoshi1up
@Yoshi1up 3 года назад
the "flat earth" is actually using the armillary sphere, a form of the astronomical clock. since it's using the geocentric model in the first place. Masonic cosmology.
@dboydboy1000
@dboydboy1000 2 года назад
Ridiculous comment, the NASA fan club are the ones who have updated it with a stupid globe in the center. Thank your owners for dumbing you down so well. Staying down is a choice though….
@presidentgas4486
@presidentgas4486 Месяц назад
you are thinking of the later heliocentric model by copernicus. This is the geocentric model. Note the horizon ring (plane of inertia) stays flat and the ball in the middle remains still. If you slice the ball in two I would say we are living in the bottom half like a giant crater. If the sun and moon were in this model it would make more sense. The sun makes a figure of eight in the sky like the zodiac and seasons over a year or an analemma pattern which fits this model. Plus the ancients were using this model for thousands of years before Copernicus came along and put his spin on it....
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