... Tonight's Sky . ... solar system . ... space flight . ... Space rocks from the beginning . A team of astronomers has found ancient asteroids that formed at our solar system's start. ... A UMd-led team has found asteroids, as old as our solar system. ... We have identified asteroids that are not represented in our meteorite collection and which date from the earliest periods of the solar system," says Sunshine, a senior research scientist in the University of Maryland's department of astronomy. ...