Sketches of the moon from Galileo’s “Sidereus Nuncius,” a short treatise on Galileo’s early observations of the Moon, the stars, and the moons of Jupiter; it was the first scientific treatise based on observations made through a telescope.

Sketches of the moon from Galileo’s “Sidereus Nuncius,” a short treatise on Galileo’s early observations of the Moon, the stars, and the moons of Jupiter; it was the first scientific treatise based on observations made through a telescope.

(via eclektic)