File:Manicouagan Crater from the International Space Station 2013-03-14.jpg

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Description	English: Tonight's Finale: Happy Pi Day! The iconic Manicouagan meteor crater has a diameter of 300 km. What's its area?" – Caption by astronaut Chris Hadfield on board the International Space Station.
Date	14 March 2013, 17:26
Source	Expedition 34/Chris Hadfield
Author	NASA/Chris Hadfield

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