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How do satellites survive in space?

Duration: 05:47

Satellites have to withstand incredibly hostile conditions in space. Temperatures can fluctuate between 150 degrees Celsius and minus 200 degrees Celsius, so it’s imperative that a satellite’s on-board electronics are protected from these extreme conditions. Katy Smith, a Thermal Architect, explains some of the clever innovations engineers use to keep the interior at a constant temperature.

Available since: Thu 13 Dec 2012

This clip is from

How to Build... How to Build 2: Learning Zone

Another look behind the scenes at the construction of the world's most amazing machines.

First broadcast: 27 Jan 2012

Image for How to Build 2: Learning Zone Not currently available on BBC iPlayer

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