This small group of galaxies, called the Hickson Compact Group 40, includes three spiral galaxies, an elliptical galaxy and a lenticular galaxy. In about one billion years, these galaxies will collide and merge to form a giant elliptical galaxy. For its 32nd birthday, the NASA/ESA Hubble Space Telescope captured these galaxies at a very special moment in their lifetimes as they fall together and continue their dance, but before they merge. This Hubble...
