NASA astronaut hopes to Twitter from space

A NASA astronaut is hoping to Twitter from space when he flies on the space shuttle Atlantis next month on a mission to service the Hubble Space Telescope. Mission specialist Mike Massimino has been using Twitter for a little more than a week now, posting updates on his mission training, along with a few insights into his home life. With only 26 updates under his microblogging belt, the astronaut already has more than 41,600 followers.

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