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.

Better photo of @Astro_Kate7 at @RockefellerUniv.

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590 days ago

Better photo of at .

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