Join Maud Rao, Docent at San Diego Air and Space Museum and NASA Solar System Ambassador, for this educational talk tracing the evolution of our understanding of the size of the universe. The talk describes the foundational work of astronomers in the 18th and 19th centuries, which paved the way for the groundbreaking discoveries of early 20th century astronomers. These discoveries completely transformed our understanding of the universe and our place in it. 

(Free, drop-in)