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The Discovery of Pluto: Accident or Prediction? Free Lecture – Oct 9


Join renowned astronomer and historian Dr. David H. DeVorkin for a discussion of Henry Norris Russell’s role in the controversial events surrounding the discovery of Pluto nearly 80 years ago. The presentation ― “The Discovery of Pluto: Accident or Prediction?” ― takes place Friday, October 9 at 7:30 p.m. at the North Carolina Museum of Natural Sciences in downtown Raleigh. Free.

plutonumber9Learn the story of how former Princeton astronomer Russell defended the discovery of the (former) “ninth planet” as the result of prediction rather than chance, and see what this debate reveals about the practice of astronomy in the early 20th century. DeVorkin is author of “Henry Norris Russell: Dean of American Astronomers” and Senior Curator of Astronomy and the Space Sciences in the Division of Space History at the National Air & Space Museum of the Smithsonian Institute.

The lecture is sponsored by the Raleigh Astronomy Club, a non-profit organization dedicated to promoting amateur astronomy in the Raleigh area, and is being held in memory of a former club member. RSVP to rsvp[at] or leave a message at (919) 460-7900.

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