One of the most profound experiences a stargazer can have is to stand under the Milky Way on a clear August night far from city lights and see the wispy bunches of stars so tightly packed that they appear to the eye as a hazy band of light punctuated not only by bright individual stars but by tiny regions that appear as hazy clumps. Aim binoculars or a small telescope toward these “faint fuzzies,” as astronomers affectionately call them, and you…