Obscuring dust lanes, young blue star clusters and reddish star forming regions surround a core of yellowish light from an older population of stars.

Though they are strikingly visible in this image from Spitzer's infrared array camera, they are completely obscured in visible light, buried within the core of the surrounding dust cloud.

Each one covers the core of each topic in a light, focused discussion that cuts directly to the core of the subject without a lot of distractions.