Mon Prof Augmenté
Spacewalk Repair
Age 12 · Technology
Astronauts sometimes go outside a spacecraft to replace or fix equipment that cannot be handled from inside. Tethers attach them and their tools to the structure so nothing floats away.
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In the picture
- Waist tether: a line clipped from the suit’s hip ring to the station rail, keeping the astronaut attached.
- Tool tether: a short cord from the tool to the suit cuff, keeping the tool from drifting away.
- Power tool: a handheld driver that loosens or tightens fasteners on the battery unit.
- Battery unit: a rectangular module on the station truss that can be swapped during a spacewalk.
Examples
- A climber clipped to a safety rope while working on a cliff.
- A phone secured by a wrist strap so it does not fall from a balcony.
Key takeaways
- Tethers keep astronauts and their tools from drifting off into space.
- Tools are designed to be held and secured while wearing thick gloves.
Quiz: Spacewalk Repair (Age 12)
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Why do astronauts sometimes go outside a spacecraft?
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What keeps an astronaut attached to the station during a spacewalk?
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What is the purpose of the tool tether?
The answers, each with its explanation, are in the app. This lesson has left the free week, so its quiz is part of the subscription.
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