Tuesday morning marks the Transit of Venus. The mini-eclipse, occurring when Venus crosses between the Earth and the sun, has not taken place since 1882. In that year it was a momentous media occasion in the United States. In 2004, it will be visible to most Americans only in the wee morning hours. Hear NPR's Robert Siegel and Kelly Beatty, executive editor of Sky & Telescope magazine.
Copyright 2004 NPR
