It has been nearly 100 years since the "Great Debate," where Heber Curtis correctly argued that Thomas Wright's 1750 ideas about our Milky Way being one of many "galaxies," each a flattish disk of a multitude of stars, was correct.   Since then, astronomers have...

This was an unscripted presentation/discussion about Alyssa Goodman's Milky Way work and career to the Harvard College PRISE students, in the "PRISE Distinguished Speaker Series" for 2019.  It offered a preview of the "Calypso to Calypso" talk to be given to Harvard Alumni at...