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Wednesday
February 25th, 2015
7:00-8:30 PM

Schlafly Bottleworks, Maplewood, MO

Where Does the Solar System End?

William B. McKinnon, Ph.D.

Professor
Department of Earth and Planetary Sciences

Moderated by: Cynthia Wichelman, M.D.


Fortune favors the prepared mind.
Louis Pasteur, 1854

Fortune certainly favored William Herschel, who quickly recognized the “comet” he saw was actually a planet that eventually became known as Uranus; and likewise the German astronomers whose star chart allowed them to quickly locate the new planet predicted by Le Verrier (Neptune). The discovery of Pluto was more a matter of photographic technology and sheer Midwestern grit. And it is technology and determination that, over the past 25 years, have more fully revealed the trans-Neptunian Kuiper belt, but every time we seem to have detected the limit of the Solar System, the goal posts move. Is there a limit? Are any of the new worlds we keep finding “planets”? Will we ever actually see the Oort cloud?

Science On Tap highlighted on St. Louis Public Radio and Voice of America!

Science On Tap is a place where, for the price of a beverage, anyone can come to explore the latest ideas in science and technology. Meetings take place outside a traditional academic context, in the Crown Room at Schlafly Bottleworks.


Meetings are held on the last Wednesday of the month during the academic year, usually from 7:00 - 8:30 PM. The standard format is as follows: about 45 minutes of presentation, followed by discussion until 8:30 PM. Seating is strictly limited to the first 120 people.  No reservations accepted.

Crown Room at the Schlafly Bottleworks
7260 Southwest Ave.
Maplewood, MO 63143
(314) 241-2337

Register to receive e-mail announcements of future Science On Tap events.

Interested in learning about medicine? Check out Washington University's Mini-Medical School!

For more information: e-mail scienceontap@wustl.edu
or call (314) 935-9495

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