Pluto just had its first visitor! Thanks @NASA - it's a great day for discovery and American leadership. pic.twitter.com/FfztBSMbK0
— President Obama (@POTUS) July 15, 2015
Pluto just had its first visitor! Thanks @NASA - it's a great day for discovery and American leadership. pic.twitter.com/FfztBSMbK0
— President Obama (@POTUS) July 15, 2015
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