David Saint-Jacques answers questions from the public on Twitter
![](/images/recherche//tiles/085a0b00-1203-4111-af4f-0b9f94381a00.jpg)
2017-12-01 –
Canadian Space Agency (CSA) astronaut David Saint-Jacques participates in a Twitter Q&A. (Credit: Canadian Space Agency)
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Photo taken on December 1, 2017
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