• Mars Past: The Canal Builders

  • Mar 16 2022
  • Length: 31 mins
  • Podcast

Mars Past: The Canal Builders

  • Summary

  • At the start of the twentieth century, a Mars “craze” struck Earth. Humans went wild with speculation that the red planet might harbor an advanced civilization. Historian of astronomy William Sheehan explains the science that spawned this imaginative idea. It all began with an optical illusion—a network of lines on Mars that some astronomers believed were irrigation canals. Sheehan is the author, with Jim Bell, of “Discovering Mars: A History of Observation and Exploration of the Red Planet.”

    Show more Show less
activate_Holiday_promo_in_buybox_DT_T2

What listeners say about Mars Past: The Canal Builders

Average customer ratings

Reviews - Please select the tabs below to change the source of reviews.