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A super worthwhile thread

RT @MaryRobinette@twitter.com

Let's talk about spacesuits, specifically Extravehicular Mobility Units, and being a #ladyastronaut.

The EMUs on the ISS were designed more than 40 years ago, with a 15-year shelf life.

11 of the original 18 are still in use.

Only 4 are on the ISS.

Those are the only EMUs. https://twitter.com/lorengrush/status/1110290350005014529

: https://twitter.com/MaryRobinette/status/1110394121515134976