CLEVELAND — Dr. Kathy Sullivan has always been an explorer. The three-time astronaut was the third American woman to ever fly in space. In 1984, she became the first American woman to spacewalk 140 ...
Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London.View full profile Alfredo has a PhD in Astrophysics and a Master's in Quantum ...
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