Hart Sastrowardoyo

@HBSastrowardoyo

Space enthusiast w/a Sharpie! X-journo. Pubd in Spaceflight, Nat Geo Traveler mags & NASA's Scientist-Astronauts book among others. #NASATweetup /Social alum.

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Thanx, #NASA for sharing yourself with us space enthusiasts and through us. When's the next one? #NASASocial4Yrs

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534 days ago

Thanx, #NASA for sharing yourself with us space enthusiasts and through us. When's the next one? #NASASocial4Yrs

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