Separate names with a comma.
What if the universe has existed for eternity? What if it will exist forever? I have a cosmological story to share with you guys... If you're...
http://www.huffingtonpost.com/2013/01/11/largest-structure-in-universe-large-quasar-group_n_2455552.html?icid=maing-grid7%7Cmaing8%7Cdl1%7Csec1_lnk...