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Events on Tuesday, March 21st, 2023

Council Meeting
Time: 3:00 pm - 4:00 pm
Place: 2314 Chamberlin Hall
Speaker: Mark Eriksson, UW-Madison
Host: Mark Eriksson
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Astronomy Colloquium
Planet formation insights from debris disk dust and gas
Time: 3:30 pm - 4:30 pm
Place: 4421 Sterling Hall
Speaker: Meredith Hughes, Wesleyan University
Abstract: Debris disks are more massive analogs of our solar system's Kuiper Belt, and they trace the final assembly stages of planetary systems. The Atacama Large Millimeter/submillimeter Array (ALMA) has provided sensitive, high-resolution views of millimeter-size dust and molecular gas that allow us to trace the dynamics and chemistry of this pivotal planet formation phase. I will describe several recent observations of gas and dust in debris disks with ALMA, including a new large program that will reveal how disk structures like rings and gaps evolve as the star settles onto the main sequence.
Host: Ke Zhang
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