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.

Also in today's mail: photo from retired #NASA #astronaut Paul Lockhart, signed at a college lecture last week.

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1095 days ago

Also in today's mail: photo from retired #NASA #astronaut Paul Lockhart, signed at a college lecture last week.

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