As stated on our website, the sunshield's actual dimensions are 21.197 m x 14.162 m (69.5 ft x 46.5 ft): https://go.nasa.gov/2WZhtMQ
That's why we say it's roughly the size of a tennis court! More on our latest milestone, the sunshield deployment test:https://go.nasa.gov/38u8yZb
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50 feet x 80 feet
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I also think so
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You lot are obsessed with the Tennis Court.

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Tennis in space
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22m x 10m
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Webb deploys a tennis-court sized Sunshield made of five thin layers of Kapton E with aluminum and doped-silicon coatings to reflect the sun's heat back into space.
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Let’s do this. Get that bad boy up there.
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So excited.
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21.197 m x 14.162 m
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Correct! :) Thank you for participating!
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Credit: NASA/Chris Gunn