Andromeda Galaxy Archive
Sep 9th: The Michelson-Morley Experiment and the Road to Einstein

Jul 8th: Andromeda Nebula and the Great Island-Universe Debate.

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At the close of the nineteenth century the universe was seen as finite and static. It was composed of one galaxy the Milky Way and Andromeda was merely a nebula attached to it. Yet the work of Henrietta Leavitt and Edwin Hubble challenged this idea. This podcast looks at how the study of Andromeda in the early twentieth century transformed astronomy’s vision of the universe into one that saw it as but one of many galaxies along with the Milky Way in an infinite and growing universe.

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Sep 9th: The Michelson-Morley Experiment and the Road to Einstein

Jun 24th: From Galileo to the 20th Century

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Andromeda galaxy changed the way humanity thought about the universe and our role in it. From 1600 with the invention of the telescope to the use of photography and spectroscopy by 1900, the study of Andromeda and questions about what it was helped change astronomy from mythology into a modern science of astrophysics.

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The 365 Days of Astronomy podcast launched in 2009 as part of the International Year of Astronomy. This community podcast continues to bring you day after day of content across the years. In 2013, we evolved to add video, and in 2015 we joined the International Year of Light.

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