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Out of this World Astronomy Lecture: Space Weather and How the World Almost Ended

Thursday, March 2, 2017, at 7 p.m. in the Auditorium

Dr. Sarah McGregor, an astronomer who lectures in the Physics Department. She is a Postdoctoral Research Associate at Boston University. Previously she was a Postdoctoral Research Associate at Dartmouth. She is researching the origins of the solar wind. The solar wind is a stream of energized, charged particles, primarily electrons, and protons, flowing outward from the Sun, through the solar system at speeds as high as 900 km/s and at a temperature of 1 million degrees (Celsius).

This program is co-sponsored by the Keene Amateur Astronomers Club. Want to find out more? Visit