Galileo's send-off.
D001256:Astronomy / Q000266:history; D005197:Famous Persons; D049670:History, 17th Century; D049671:History, 18th Century; D049674:History, 21st Century; D007558:Italy; D018538:Jupiter; D013026:Space Flight; D014481:United States; D018557:United States National Aeronautics and Space Administration / Q000639:trends