Stephen Sekula (steve@chirp.cooleysekula.net)'s status on Tuesday, 01-Aug-2017 23:41:40 UTC
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Stephen Sekula (steve@chirp.cooleysekula.net)'s status on Tuesday, 01-Aug-2017 23:41:40 UTC Stephen Sekula From Twitter https://twitter.com/: Pulsars are collapsed cores of massive stars & were 1st discovered 50 years ago this week. Learn more: https://twitter.com/i/moments/892470083930533888 #PulsarWeek https://twitter.com/NASA/status/892475200893321217/photo/1 https://chirp.cooleysekula.net/attachment/37936