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We are just an advanced breed of monkeys on a minor planet of a very average star. But we can understand the Universe. That makes us something very special."

—Stephen Hawking


In this exclusive clip, Tyson asks Hawking your standard softball interview question: what was around before the big bang? In other words, what happened before the moment the universe began?

From the Apollo missions to the Falcon Heavy test launch, humanity has seen some incredible spacecraft head toward the stars. Here are 24 famous rockets and space shuttles as they left Earth to explore the cosmos.