Some astronomers study relatively young stars, and the dust that encircles them, looking for clues to planet formation. Last year, researchers found evidence for this scene around a star called Fomalhaut,

A newborn Saturn-like planet is thought to create a wake that was observed in the cold dust, leftovers of star formation. Inner planets are shown clearing a hole in the center of the dust disk, but these were inserted by David Hardy with artistic license, not because of solid data.