Professor of Astronomy Bill Herbst observed sand-like grains in space through the reflection of light from stars. These grains are the building blocks of an Earth-like planet. Posted 03/17/08 For the first time, astronomers have observed the initial phase in the formation of an earth-like planet.The discovery, highlighted in the March 13 issue of Nature, was documented by a team of astronomers led by William Herbst, the John Monroe Van Vleck Professor of Astronomy, chair of the Astronomy Department and director of the Van Vleck Observatory (pictured at right) and Catrina Hamilton, Ph.D 03, assistant professor of physics and astronomy…