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hi I'm Randy Stark and this is your

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building curiosity update we're here in

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the environmental test facility at JPL

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where curiosity is going through a

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series of random vibration tests this

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test is like putting curiosity through a

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major earthquake it's going to shake it

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both side to side and up and down you'll

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notice that curiosity is actually in its

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flight configuration which is upside

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three two these tests will ensure that

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the hardware was not only built

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correctly but assembled and will survive

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the launch conditions

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next will be system thermal vacuum test

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where we put curiosity in a large vacuum

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chamber and simulate the environments

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both hot and cold that curiosity will

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see during his journey to Mars and also

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during its life on Mars it sure seems

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like we're putting curiosity through a

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lot of abuse but the more testing we

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could do here on earth will ensure a

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safer journey on the way to Mars and a

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longer life once we get to Mars this is