Because NASA's hip with the kids, dammit, they're using both YouTube and Twitter to let the public ask questions of astronaut Mark Polansky, commander of the International Space Station.

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If you want to ask a question, just tape yourself asking it in 30 seconds or less, upload to YouTube, and then post the link on Polansky's Twitter. He'll be answering a few questions per week, so if you've got a question our fantastic guest blogger Leroy Chiao didn't get around to covering, this'll be a great way to get an answer. [Press Release via Gadget Venue]