ISS commander, astronaut Scott Kelly answering questions live on Tumblr right now

If you've ever wanted to participate in a live, Reddit AMA (Ask Me Anything)-like session with an astronaut in space, your chance is RIGHT NOW. All you have to do is head on over to Tumblr, where NASA astronaut, and current commander of the International Space Station, Scott Kelly is answering questions from space. He's participating in an "Answer Time" …