I've never seen one of these ISS spacewalk fly-throughs. NASA TV always shows close-up views of their work, but this visualization of the yesterday's spacewalk narrated by NASA Spacewalk Officer Jaclyn Kagey puts everything in perspective. It is a very hard, tedious, and dangerous "home improvement" work.

Just keep in mind that these guys are flying at more than 4,700 miles per hour, with nothing between their skins and space but a few layers of textile material. And this was only to "stow a failed pump module, replace a television camera and install a mobile transporter relay assembly."

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