From esascience https://twitter.com/esascience on Twitter: #Hubble proves Einstein correct on galactic scales, using a nearby galaxy that acts as a "cosmic magnifying lens" to make the most precise test of general relativity yet outside our Milky Way Details: http://sci.esa.int/hubble/60441-hubble-proves-einstein-correct-on-galactic-scales-heic1812/ https://twitter.com/esascience/status/1010088961165987841/photo/1 https://chirp.cooleysekula.net/attachment/51130