There is no question that there is a mystery in the cosmos. Galaxies don't act as we expect, writes Don Lincoln.
원문출처 : http://www.cnn.com/2016/09/07/opinions/dark-matter-analysis-lincoln/index.html
원문출처 : http://www.cnn.com/2016/09/07/opinions/dark-matter-analysis-lincoln/index.html