From the August 2011 issue

Inside the cyclic model of the universe

Some cosmologists think the Big Bang was a single event in an infinite cycle.
By | Published: August 29, 2011 | Last updated on May 18, 2023
Abell-2151
The Hercules galaxy cluster (Abell 2151) epitomizes the universe today. Rich galaxy clusters like this congregate into even larger and more massive superclusters, which form the backbone of cosmic large-scale structure. CFHT/Jean-Charles Cuillandre/Coelum

Some cosmologists think the Big Bang was a single event in an infinite cycle.