Transcription: The Galileo spacecraft made the first and second close observations of asteroids in 1991 and 1993 as it passed through the main asteroid belt on its way to Jupiter. The first encounter occurred nine months into the Galileo mission, while the probe was still gathering up speed through gravity assists with Earth and Venus. On October 29, 1991, Galileo made the first asteroid encounter in history. The probe passed just 1,000 miles from the asteroid Gaspara at a speed of 18,000 miles per hour. Scientists collected pictures of Gaspara and other data on its composition and physical properties. Obser ...