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https://spacenoodles.blog/2019/10/08/hank-curci-ms-mathematics-stanford-university-and-senior-aerospace-engineer-presents-his-popular-free-outer-space-greeting-cards-20-years-in-the-making-2/
Hank Curci, MS Mathematics Stanford University, And Senior Aerospace Engineer Presents His Popular Free Outer Space Greeting Cards..20 Years In The Making