When construction finished on the Very Large Array in 1980, it became the most powerful radio observatory in the world. For the past four decades, the VLA has changed the way we see the universe, by revealing more of invisible universe. The VLA continues to teach us about the radio sky helping astronomers answer some of the deepest mysteries in astronomy. Join our host Melissa Hoffman of the National Radio Astronomy Observatory as she talks about the history of the Very Large Array and some of the remarkable objects it has discovered.

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