President Donald Trump on Thursday (Feb. 7) honored the service and sacrifice of astronauts who gave their lives in the pursuit of space exploration during NASA's annual Day of Remembrance.
from Space.com http://bit.ly/2GeLlhZ
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By BY RAYMOND ZHONG from NYT Technology https://ift.tt/2ZVzHzt
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The blood-red color of the moon during a total lunar eclipse may be difficult to explain without a basic understanding of orbital mechanics,...
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NSF's 10 Big Ideas Since 2017, NSF has been building a foundation for the Big Ideas through pioneering research and pilot activities....
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