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Public Evening Lecture Series



Since September 1922, Steward Observatory has been hosting public evening lectures in astronomy. The lectures begin at 7:30 p.m. and are held in Room N210 of Steward Observatory, 933 N. Cherry Ave., Tucson. AZ 85721.  Following all Monday evening talks, the Raymond E. White, Jr. Reflector in the historic Steward Observatory dome will be open for public viewing of the night sky (weather permitting). All of the lectures and the use of the telescope are free of charge and open to the general public.

For more information, contact Dr. Thomas Fleming at 621-5049 or                                                                                                                          

Click here to stream podcasts of previous Public Evening Lectures.


Spring 2019 Steward Public Evening Lectures
Date Speaker Title
Jan. 14

Dr. John Cocke

Dr. Feryal Ozel

Steward Observatory

50th. Anniversary of the Discovery of the Crab Optical Pulsar
Jan. 28

Dr. Thomas Fleming

Steward Observatory

Andrew Ellicott Douglass and the History of Astronomical Research in Arizona
Feb. 18

Dr. Jenny Greene

Princeton University

Marc Aaronson Memorial Lecture

Tiny But Powerful: The Search for Intermediate-mass Black Holes

Feb. 25

Dr. Erika Hamden

Steward Observatory

The Ridiculous World of Scientific Ballooning
Mar. 11

Dr. Chad Bender

Steward Observtaory

The Quest to Discover Earth-Twin Exoplanets
Mar. 25

Dr. Ali Bramson

Dr. Michael Sori

Lunar & Planetary Laboratory

A Story of Ice, Water, and Fire under the South Pole of Mars
Apr. 8

Maj. James McGaha, M.S., FRAS

Director, Grasslands Observatory

The True Story of Project Blue Book

The 22-Year Investigation of "Nothing"!

Apr. 17

Dr. Daniel Marrone

Dr. Feryal Ozel

Dr. Dimitrios Psaltis

Steward Observatory


This Lecture will be held in ENR2 N120