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General Meeting – April 2018
April 6, 2018 @ 6:30 pm - 9:00 pm
6:30 pm – Introductory Presentation
Title: TAAA Grand Canyon Star Party; its value and current need
Presenter: Jim O’Connor, TAAA Grand Canyon Star Party South Rim Coordinator
Learn about this year’s TAAA Grand Canyon Star Party (GCSP) on June 9-16, 2018. Thanks to planning by the GCSP South Rim Coordinator and the National Park Service Ranger Leader, and the many participants who attend, the public gains a rich education in astronomy and environmental awareness. Jim will discuss our current need for his successor as TAAA GCSP Coordinator, and share some stories that highlight the joys of participating in astronomy outreach. As he says, “you never know what life you’ll touch, or who might touch yours.” Further information about TAAA and the Grand Canyon Star Party can be found at https://tucsonastronomy.org/upcoming-events/grand-canyon-star-party/.
7:30 pm – Main Presentation
Title: Volcanic Activity in the Solar System and the Frontier of Exovolcanology
Presenter: Dr. Christopher Hamilton, Assistant Professor, Lunar and Planetary Lab, University of Arizona
Volcanic activity on Earth is primarily controlled by plate tectonics, with additional Large Igneous Provinces (LIPs) fed by mantle plumes. LIPs are common on terrestrial bodies throughout the Solar System, but without plate tectonics, volcanism differs vastly on extraterrestrial worlds. Dr. Hamilton’s presentation compares and contrasts styles of volcanism within our Solar System, and their implications for our detecting and understanding highly volcanic exoplanets in other solar systems.