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(music throughout) We are minutes away from the launch of

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NASA's Lucy mission to the never before explored Trojan asteroids.

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Lucy’s long journey to space begins today,

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but her story actually started years ago…

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It took a team of scientists and engineers many years to plan

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where Lucy would go and what she would have to do.

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Then, Lucy’s engineers had to build her out of individual parts

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and put her together like a puzzle.

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Lucy had to go through tough physical tests to prove she was mission ready.

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How are you holding up Lucy?

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These are the vibration and acoustic tests,

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to make sure Lucy won’t lose any screws during the shaky launch on a rocket.

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Lucy wasn’t quite ready just yet.

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The engineers still had to be sure she was prepared for the harsh environment of space.

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They chilled Lucy to freezing temperatures

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and then warmed her up to scalding hot temperatures in the thermal vacuum test.

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Sure, those tests weren’t easy,

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but they prepared Lucy for the long adventure ahead.

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(mission announcer) 2, 1, 0... and ignition... and liftoff!

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We’re glad you can join Lucy on her adventure to explore the Trojan Asteroids.

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Now, let’s get the journey started!