During his 146-day sojourn on the International Space Station in 2012-2013, astronaut Chris Hadfield reminded me, and many others, about life in space, as well as the natural beauty of life on earth. While his crew carried out a record number of science experiments, Hadfield was also spreading curiosity and enthusiasm about life on the ISS through savvy use of social media.
He traded tweets with fellow Canadian William Shatner (“Standard Orbit, Captain. And we’re detecting signs of life on the surface”). He posted YouTube videos about working without gravity (why you can’t wring out a washcloth in space, for instance). And he used his enviable perspective from the ISS cupola to share photos, including a Valentine’s Day heart for the planet.
Hadfield’s post-retirement memoir is loosely organized around three missions in space: from his first flight to…
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