A Picture is Worth... Chris Hadfield tweets Pi from space

Astronaut and commander of the International Space Station Chris Hadfield takes this photo and tweets:

The dry folded skin of the Sahara desert, looking like the crust of a pie. Perfect for Pi Day!

A Picture is Worth... Chris Hadfield tweets Pi from space
The commander of the International Space Station looks down at the Sahara Desert and thinks it looks like a pie crust.

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