Physics Program Presents
Friday, November 3, 2017
Birth and Death in the Milky Way
David Helfand, Columbia UniversityOver the past ten years, my colleagues and I have been using the Very Large Array radio telescope to construct by the far highest resolution survey yet made of our Galaxy at centimeter wavelengths. The images reveal thousands of Galactic radio emitters which mark the places of stellar birth in cold clouds of gas and dust, and stellar death in the violent explosions of supernove. Combining this survey with data from other wavelengths, particularly the Spitzer Space Observatory's Infrared survey of the Galaxy provides a spectacular new multi-colored view of the Milky Way and reveals a number of unexpected surprises.
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Time: 12:00 pm
Location: Hegeman 107