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- CelebrateSagan: "Deep gratitude for those who assembled #CarlSagan Day this past Sunday, here in Fort Lauderdale." - http://bit.ly/cwWpbq March 9, 2010
- CelebrateSagan: RT @JackFarias: ....Carl Sagan March 9, 2010
- CelebrateSagan: RT @DLFresources: Weight vs Mass: An explanation from the ISS http://ow.ly/16Kz2m March 9, 2010
- CelebrateSagan: Washington Post: Help schools use non-fiction books - http://bit.ly/dmE7IE March 9, 2010
- CelebrateSagan: Qatar Times "The earliest moments of the Big Bang" - http://bit.ly/dczxrD March 9, 2010
