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Dome Refraction: Gradient Refractive Index (GRIN) and Total Internal Reflection (TIL)
In the dome refraction science we learn about Gradient Refractive Index (GRIN) and Total Internal Reflection (TIL).
Previous video on the 24hr Visibility Formula https://www.youtube.com/watch?v=1HZ5vtsL9Ho
Video before that on how to manually determine the Sky Coordinate called Declination https://www.youtube.com/watch?v=igNIpryJwJM&t=66s
Explore advanced concepts of Flat Earth Science as we quantify the Firmament, learn the Celestial Sphere, and preform mathematics on our perspective.
Enroll for free into "FE102: Tracking the Firmament"
https://students.flatearth.university/courses/fe102
The Flat Earth Science Textbook is available as an affordable PDF ebook https://store.flatearth.university/product/flat-earth-science-textbook-ebook/
The Firmament Trackers Pro version on Android lets you plot multiple observers, planets, stars, location auto search, torus field, and more. https://play.google.com/store/apps/details?id=io.journalofgeocentriccosmology.flatearthapp&hl=en-US
Purchase the Firmament Trackers iMac Web and Windows Desktop Laptop version https://firmamenttrackers.com/academic-version/ this is a 4th Generation Flat Earth model allowing multiple observers, planets (wandering stars), location auto search features, plotting locations, etc.
© 2025 Journal of Geocentric Cosmology LLC
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