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Stephen Sekula (steve@chirp.cooleysekula.net)'s status on Saturday, 18-Nov-2017 01:21:49 UTC Stephen Sekula From Twitter https://twitter.com/: Right #now Chandra is observing Tycho's supernova remnant. This spectacular debris field has expanded by about 100 billion miles since the first time Chandra observed it in 2000. More Tycho: http://chandra.si.edu/photo/2016/tycho/ #Today's Obs: 6h 23m https://twitter.com/chandraxray/status/931637863267164160/photo/1 https://chirp.cooleysekula.net/attachment/43245 - Styromaniac likes this.