New to Penguin Classics, the astonishing story of the Copernican Revolution, told through the words of the ground-breaking scientists who brought it about A Penguin Classic In the late fifteenth century, the earth stood motionless at the center of a small, ordered cosmos. Around us, it was believed, the moon, the sun, and the planets revolved in crystalline spheres, their orbits perfect, eternally unchanging circles. Just over...