2018年4月3日 星期二

NASA Brings Universe of Discovery to USA Science and Engineering Festival

Step into the future of aviation and space exploration with NASA at the USA Science and Engineering Festival on Saturday, April 7, and Sunday, April 8, at the Walter E. Washington Convention Center in Washington.

April 03, 2018
from NASA https://ift.tt/2GLKmpB
via IFTTT

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