Welcome back to earth, Astro Mike! Returning to our planet from his missions to the Hubble Space Telescope, Mike Massimo reveals what it’s like to wear a several-hundred-pound suit, go without pizza for way too long, and tweet from outer space.

Ever wonder how astronauts go to the bathroom? Get all your questions answered right here in this video!

Keep up with Mike on Twitter and check out his new book, Spaceman.

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