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NASA @NASA
On Aug. 31 at 10am ET (14:00 UT), watch as experts from @NASAGoddard and @USGS discuss the upcoming #Landsat 9 mission, currently targeted for liftoff no earlier than Sept. 23. Details: https://t.co/iQ3IE4U2oX https://t.co/RU4cvBLfDE — PolitiTweet.org