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A Multi-wavelength View of Stellar Life and Death in M83

Presented by: William Blair (Johns Hopkins University)
Category: Education and Outreach   Duration: 1 hour and 15 minutes   Broadcast date: October 04, 2016
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Although the timescales are long by human standards, galaxies undergo changes as stars are born, grow old, and ultimately die in supernova explosions. While we can't stand by and watch these developments take place, we can piece together the processes involved just by looking at carefully selected snapshots in time. Messier 83, the Southern Pinwheel galaxy, is a case in point. This galaxy is home to both significant new star formation and at least 7 supernova explosions in the past 100 years. Both stellar birth and stellar death can be studied, and often require observations in different bands of light with both ground and space-based telescopes. Dr. Blair will describe a multi-year, multi-wavelength study of galaxy M83 that has provided detailed insights about its evolution.