Vera Rubin, a pioneering astrophysicist who proved the existence of dark matter, had a gift for overcoming daunting challenges.
원문출처 : http://www.cnn.com/2016/12/27/us/vera-rubin-dark-matter-astronomy-obit-trnd/index.html
원문출처 : http://www.cnn.com/2016/12/27/us/vera-rubin-dark-matter-astronomy-obit-trnd/index.html