Social Networking

The 140 Best Twitter Feeds of 2012

TIME's social media editor Allie Townsend & social media associate Amy Lombard pick the 140 Twitter feeds that are shaping the online conversation in 2012. Let us know what you think of our choices, using hashtag #Twitter140.

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Experts

NASA Astronauts

By March 15, 2012

[tweet https://twitter.com/#!/NASA_Astronauts/status/181751744563384320]

Followers: 128K

NASA’s social initiatives are impressive, and its crop of astronauts definitely aren’t exempt. The @NASA_Astronauts feed acts as an aggregation tool for the space-bound’s most interesting updates. A frequently updated stream of retweets from NASA’s space explorers makes visiting this feed one of the most cosmic experiences on Twitter.

Follow @TIME & tell us what you think of our list using hashtag #Twitter140 

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