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SUBJECT: Grenfell: Is International Astronomy year – it’s been 400 years since Galileo looked at the sky through a telescope!
DATE: Feb. 25, 2009

 

The presenter below was unable to travel due to weatther. Sorry for any inconvenience. 

                    Grenfell College presents a talk by Peter Brown, Dept of Physics and Astronomy, University of Western Ontario - "Target Earth: Impacts both large and small" - on Tuesday, March 3, 11:30 a.m. in LC301 (library lecture theatre). 
                    Synopsis: The Earth is constantly bombarded by asteroids and comets. These impacts can pose a hazard to life, while also offering unparalleled opportunities to better understand our solar system and how it formed. The current threat from impacts, the role they may have played in the origin and evolution of life and what we can learn about the most primitive bodies in the solar system from them will be described in this talk. In particular, the scientific value in studying impacts from smaller (and more numerous) objects which are harmlessly stopped by the atmosphere will be highlighted. 
                   Sponsored by the Canadian Astronomical Society and the Canadian Association of Physicists, as part of IYA2009. 
                   A talk for a general audience - all are welcome.

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