Because It’s Saturday, and There’s Nothing Else to Do

Heliocentric model from Nicolaus Copernicus’ De revolutionibus orbium coelestium (On the Revolutions of the Heavenly Spheres)

Nicolas Copernicus was born on February 19, 1473. He wrote the book De revolutionibus orbium coelestium (On the Revolutions of the Celestial Spheres). You guys remember learning about heliocentrism, yes?

I have nothing more to say about this but sometimes, when I like to feel very small and infinitesimally insignificant, I watch this video called Powers of Ten. It was…