Backdropped by a colourful Earth, this full view of the International Space Station was photographed from the Space Shuttle Discovery.

How to brush your teeth in space?

Have you ever wondered how you clean your teeth in space?

It’s not a problem for most of us, but for the six astronauts orbiting 370km (220 miles) above us in the International Space Station, even simple tasks can be challenging in microgravity.

The International Space Station photographed from the Space Shuttle Discovery.

The International Space Station photographed from the Space Shuttle Discovery.
Credit © National Aeronautics & Space Administration / Science & Society Picture Library

Luckily, our favourite tweeting astronaut Commander Chris Hadfield – who shares incredible daily images of the Earth including the stunning image of London at night below – has the answer.

Chris took time out of commanding the International Space station to share how he manages to brush his teeth while travelling at 8 km/sec.

Back on earth, you can discover how we are able to live in space – to breathe, to eat, to drink and… to go to the toilet – in our Exploring Space gallery, or watch ISS astronauts in action in our Space Station 3D IMAX film.

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