PBS - Lost LA Series 4 (2019) Part Discovering the Universe Exploring the Cosmos Atop Mount Wilson

Explores the past through the region's archives, where photos, documents, and other rare artifacts unlock the untold history behind the fantasy of Southern California. Hosted by writer and public historian Nathan Masters of the USC Libraries, each episode of “Lost LA” brings the primary sources of history to the screen in surprising new ways. Much of L.A.'s past is lost to history, but through the region's archives, we can uncover the inspiring dreams and bitter realities that built the modern-day metropolis.

Part Discovering the Universe Exploring the Cosmos Atop Mount Wilson

As recently as a century ago, scientists doubted whether the universe extended beyond our own Milky Way — until astronomer Edwin Hubble, working with the world's most powerful telescope discovered just how vast the universe is.

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