What did astronomers discover at the Mount Wilson Observatory? Find out with L.A. as Subject's latest KCET contribution, “SoCal and Astronomical History: The Big Bang Theory, the Demise of Pluto & More.”
(Circa 1920 photo from the USC Digital Library’s Los Angeles Area Chamber of Commerce Collection.)

What did astronomers discover at the Mount Wilson Observatory? Find out with L.A. as Subject's latest KCET contribution, “SoCal and Astronomical History: The Big Bang Theory, the Demise of Pluto & More.”

(Circa 1920 photo from the USC Digital Library’s Los Angeles Area Chamber of Commerce Collection.)