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Stephen Sekula (steve@chirp.cooleysekula.net)'s status on Friday, 29-Jan-2016 13:36:19 UTC Stephen Sekula In #PHYS3305 we built a model star from hydrogen (bottom) and helium (top) gas and viewed its spectral fingerprint! https://twitter.com/drsekula/status/693056580070146049/photo/1 https://chirp.cooleysekula.net/attachment/6222