But it’s not just any tweetup: it’s an opportunity to meet the astronauts of STS-127, a shuttle mission this summer on Space Shuttle Endeavour to the International Space Station.
Commander Mark Polansky is big on Twitter as @Astro_127. He also responded to YouTube videos from orbit.
NASA also hosted a similar event in July.
I’ll be there, and I hope to see you there as well. Registration opens today, at this Web site.
We’ll be live tweeting the event at @socialgovt!