Cosmologist presents alternative to Big Bang

September 10, 2007

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“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, a cosmologist at the International School of Advanced Studies in Trieste, Italy, says that inflation is beautiful and successful, yet he insists that we need to replace it.

“We don’t have any fundamental physical explanation for how or why it occurred,” he says. “Yet cosmologists today accept it as though it is a religion.”

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