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Stephen Sekula (steve)'s status on Thursday, 26-Jan-2017 11:47:27 EST Stephen Sekula From Twitter https://twitter.com/drsekula:
RT @esascience: Astronomers used five #galaxies as giant gravitational lenses to measure how fast the Universe is expanding:⦠https://twitter.com/i/web/status/824644272007905281 https://chirp.cooleysekula.net/attachment/21105