Are we alone in the universe? According to Harvard astrophysicist Avi Loeb, we got our answer to that question on October 19, 2017 when the peculiar and fast-moving and luminous interstellar object, named Oumuamua was observed. Loeb discusses his book, "Extraterrestrial: The First Sign of Intelligent Life Beyond Earth."

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The Agenda with Steve Paikin is TVO Today's flagship current affairs program, devoted to exploring the social, political, cultural and economic issues that are changing our world. We consistently offer a diversity of viewpoints and in-depth analysis of what lies behind the headlines. See more about The Agenda with Steve Paikin at https://www.tvo.org/theagenda