Milky Way Moonset

Michael Shainblum is a photographer whose favorite target is the Milky Way (though he took one of the most amazing photos of 2014, lightning hitting the Burj Khalifa, the tallest building in the world). He sent me a note recently that he caught an unusual scene in Big Sur, California, and, well, take a look: How cool is that? The Milky Way is almost exactly vertical, plunging down into the Pfeiffer Beach Keyhole Rock, a natural arch carved by erosion. But what's that glow in the hole? That's the...