Room with a View
How can we learn about a place we can neither travel to nor see? Carlo Rovelli It is a common familiar image now, the Earth, a blue marble floating in the middle of space, and our place tiny amidst the infinity of space. For millennium, people had no conception that this might be the case, no image of Earth from outer space. Why would they when everything around them seemed solid and flat. The physicist Carlo Rovelli recently pointed out that someone had to imagine this entirely new perspective for the first time, moving beyond the limits of what was known to conceive of an entirely new image of the Earth and our place in it. Rovelli writes, “Anaximander is the ancient Greek thinker who figured out that the sky is not just above us; it also continues under our feet, and the Earth is like a stone floating in the middle of the void. This is the first and maybe the greatest of the cosmological revoluti...