Media type: E-Article Title: A cosmic conundrum Contributor: Wolfenstein, Lincoln Published: IOP Publishing, 2008 Published in: Physics World, 21 (2008) 7, Seite 44-45 Language: Not determined DOI: 10.1088/2058-7058/21/07/41 ISSN: 0953-8585; 2058-7058 Keywords: General Physics and Astronomy Origination: Footnote: