.@NASA: Do you know when a letter was cancelled on the moon? We do. Apollo 15 Mission – 1971 #PlutoFlyBy @USPSStampspic.twitter.com/glo0LkERtL
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Coming May 31 #PlutoExplored stampspic.twitter.com/uh8LOeFVSL
MT @NASA: Hey @USPS @USPSstamps, it's time to update your #Pluto #stamp. @NASANewHorizons was there exploring...pic.twitter.com/7qTyEBAcVE
@NASA @USPS @USPSstamps @NASANewHorizons you need a new stamp now!
@NASA @USPS @USPSstamps @NASANewHorizons Shots fired, high resolution that is. #NASA
@NASA @USPS @USPSstamps @NASANewHorizons. How heavy
RT @NASA: Hey @USPS @USPSstamps, it’s time to update your Pluto stamp. @NASANewHorizons was there exploring today.pic.twitter.com/KUmjCyFBgq
@NASA @USPS @USPSstamps @NASANewHorizons I went to the post office and they said they didn't have them yet :-(
@NASA @USPS @USPSstamps @NASANewHorizons Nasa New Horizons Pluto --->> http://goo.gl/Kq3QII
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