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Astronomy Open Night
Start Date: 3/1/2013Start Time: 7:30 PM
End Date: 3/1/2013

Event Description:

Speaker: Professor Frederick M. Walter
Topic: The Disappearing Sunspots and the Coming Maunder Minimum

The Sun has been a remarkably stable star over the past 4.5 billion years, yet like all stars it does vary with time. Solar rotation, coupled with convection, drives a magnetic dynamo that reverses polarity about every 11 years. The visible dark sunspots and their approximately 11 year cycle are a manifestation of the Sun's magnetic activity. Solar magnetic activity also drives flares and coronal mass ejections, which can directly affect the Earth.
Location Information:
West Campus - Earth & Space Sciences Building  (View Map)
100 Nicolls Road
Main Entrance
Stony Brook, NY 11794
Phone: (631) 632-6000
Room: 001

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