The answer lies in his theory of cosmic inflation ... I have been thinking about in the context of a paper that I’m writing with Sean Carroll [at Caltech]. The idea is that the universe ...

Cosmic microwave background is a sea of radiation ... as if they are moving away from us. Others then used his theory to build models of an expanding universe. This was the beginning of today ...

Cosmic inflation is a faster-than-light expansion ... The first is that Einstein’s general theory of relativity famously makes mass bend space and time – so you’d expect a universe like ...