Image Information

Release No.: 2019-10
For Release: Monday, March 25, 2019 - 1:00pm

What Happened Before the Big Bang?

An artist's illustration showing the patterns of signals generated by primordial standard clocks in different theories of the primordial universe. Top: Big Bounce. Bottom: Inflation.

Credit: CfA/Zhong-Zhi Xianyu, Xingang Chen, Avi Loeb