As our planet spins on it’s axis, we transition between light and darkness. This rhythm of night and day is so fundamental to our experience that it’s easy to take for granted. This is why the upcoming eclipse is so captivating; it undermines the natural order. Even though day will only turn to night for seven minutes, we’ve been talking about it all year. Artists have taken this duality as a primary subject since the earliest civilizations, and probably always will.