ثقب أبيض: الفرق بين النسختين

| مسار الأرشيف = http://web.archive.org/web/20171227173927/http://casa.colorado.edu:80/~ajsh/collapse.html | تاريخ الأرشيف = 27 ديسمبر 2017 }}</ref><ref>{{cite journal | first=Igor R. | last=Klebanov | title=TASI lectures: Introduction to the AdS/CFT correspondence | date=19 May 2006 | arxiv=hep-th/0009139v2 | id=hep-th/0009139 v2|bibcode = 2001sbg..conf..615K |doi = 10.1142/9789812799630_0007}}</ref><ref>[http://news.nationalgeographic.com/news/2010/04/100409-black-holes-alternate-universe-multiverse-einstein-wormholes/ National Geographic Daily News: "Every Black Hole Contains Another Universe?"] {{Webarchive|url=http://web.archive.org/web/20171213125450/https://news.nationalgeographic.com/news/2010/04/100409-black-holes-alternate-universe-multiverse-einstein-wormholes/ |date=13 ديسمبر 2017}}</ref>