NASA Administrator Remembers NASA Scientist, Astronaut Piers Sellers via NASA https://t.co/XqQUMihE70

NASA Administrator Remembers NASA Scientist, Astronaut Piers Sellers via NASA https://t.co/XqQUMihE70

— Jonathon Davies (@JonoBond) December 24, 2016

from Twitter https://twitter.com/JonoBond

December 24, 2016 at 01:48PM
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