688K views · 19K reactions | Astrolabe: A Brief History and Its...

The ancient astrolabe isn’t just a beautiful instrument, it’s a working model of our world. It maps the heavens on a flat plane, with you at the center, and everything in the sky moving in perfect circles above. No spinning globe, no hurtling through space, just a stationary Earth under a predictable, rotating firmament. For centuries, sailors, astronomers, and astrologers used it to tell time, navigate, and track the stars with flawless accuracy, all without the heliocentric model. The astrolab