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'Heretical' cosmologist does away with the big bang

发布时间:2019-03-14 12:13:10来源:未知点击:

By Zeeya Merali (Image: Andrew J. Hanson, University of Indiana) “I am a heretic,” Cristiano Germani announced to an audience of cosmologists last month. Few would disagree, as he is proposing a radical alternative to standard cosmology: a universe with no big bang creation moment, and no rapid inflation. Rather than a big bang, he suggests a slingshot. In the early 1980s, Alan Guth at the Massachusetts Institute of Technology proposed that our universe underwent inflation – a period of rapid expansion in the first 10-34 seconds after the big bang. Germani,