WEBVTT FILE

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NASA's James Webb Space
Telescope has successfully ...

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passed another series of
critical testing milestones.

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Music

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Webb's "brain" and sunshield,
known together as the ...

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spacecraft element, successfully
completed ...

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acoustic and vibration testing.

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Music

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Before testing, technicians
enclosed the ...

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spacecraft element in a special
tent cover to protect it ...

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while being moved.

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Music

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Once inside the acoustic test
chamber, technicians blast ...

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it with sound pressure energy
nearly 10 times ...

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more pressure than a rock
concert.

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Music

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These acoustic and vibration
tests simulate the ...

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launch environment the
spacecraft element ...

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will experience. Completing
these tests help ensure it ...

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can survive liftoff.

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Music

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With the acoustic and vibration
tests ...

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successfully completed, the
spacecraft element's next ...

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tests will be inside a thermal
vacuum chamber.

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Music

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Beep ... beep ... beep