Speaker: Dr. Sue Smrekar – JPL Rocky Planet Geoscientist Topic: Venus: Earth’s Evil Twin or Just Misunderstood? Abstract: Venus is becoming more attractive to scientists as technology improves for sending spacecraft to survive orbit and even descend to the surface. From orbiters to balloons, we will talk about the great science that can be done, …
Speaker: Dr. Michael Ressler – Project Scientist, James Webb Space Telescope Topic: James Webb Space Telescope The James Webb Space Telescope will continue to revolutionize our study of the cosmos. Slated for launch in late 2021, Webb will look deeper than either the Hubble or Spitzer Space Telescopes at infrared wavelengths. This talk will describe …
Speakers: Dr. Xiaohui Fan, Dr. Jinyi Yang, Dr. Feige Wang Topic: The Earliest Supermassive Black Holes in the Universe A trio of astronomers from the University of Arizona’s Steward Observatory present new results: Regents’ Professor Xiaohui Fan “Discovery of the brightest quasar in the early universe”, Strittmatter Fellow Dr. Jinyi Yang “Pōniuāʻena”, the first known …
Speaker: Dr. Daniel Apai – Steward Observatory Topic: Exoplanets / Astrobiology Dr. Daniel Apai is a recent recipient of NASA’s ICAR Astrobiology grant. This is an inaugural effort focusing on the challenging questions in astrobiology. Daniel’s research focuses on exoplanets, with a particular emphasis on habitable planets and planetary systems. Heleads large programs to understand …
Speaker: Jimmy Lilly – Steward Observatory Topic: Identifying Prestellar Cores in Molecular Clouds Jimmy Lilly was a 2019-2020 Lucas Scholarship recipient and majored in Astronomy / Physics. He graduated in May 2020. He works with Yancy Shirley from the Department of Astronomy on “Characterizing Physical Properties Associated with Hierarchical Structure in Star-Forming Regions.”
Speaker: Maria Galloway-Sprietsma – Steward Observatory Topic: Pulsar Timing Maria Galloway-Sprietsma is a Lucas Scholarship recipient 2020-2021. She is working with Dr. Yancy Shirley, Steward Observatory on a study of deuterated ammonia (NH2D) in star-forming region Cepheus L1251. They hope to explore the possibilities of using deuterated ammonia as a dense gas tracer, and believe …
Dr. Alex Ji: The First Stars Dr. Alex Ji is a postdoctoral fellow at the Carnegie Observatories. Alex is a near-field cosmologist, studying nearby stars and galaxies to understand the first stars and galaxies, the origin of the elements, and the history of the Milky Way. Alex’s main lockdown activity has been eating Trader Joe’s …
Speaker: Ryan Rubenzahl – Caltech Topic: Measuring the Speed of Stars More Precisely Than Your Car’s Speedometer The “doppler method” of detecting planets orbiting other stars requires precise measurements of the speeds of those distant stars. If we can see a star oscillating towards and away from us, we can infer that an unseen planet …
Speaker: Mia de Los Reyes Topic: The Loneliest Galaxies in the Universe Most of the matter in the universe is located in long and thin structures called “cosmic filaments” that stretch across the universe in web-like formations. However, some galaxies live in the much emptier spaces between cosmic filaments, called cosmic voids. By comparing the …
Speaker: Steve Hallmann, SDAA Topic: Dark Matter and Dark Energy Steve Hallman updates SDAA on the latest theories for dark matter and dark energy.