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Published on May 22, 2012
NASA's Sten Odenwald discusses the astronomical phenomenon known as the Transit of Venus, which occurs on June 5, 2012, and not again until the 22nd Century.
Speaker Biography: Harvard educated, Dr. Sten Odenwald currently works under contract to NASA at the Goddard Spaceflight Center in education-related areas of space science. He also created The Astronomy Cafe, a web site for the "astronomically disadvantaged."