Fascinating to consider…

It Seems More and More Certain That We Live in a Multiverse

Soon after Guth proposed inflation, the physicists Alexander Vilenkin and Andrei Linde pointed out that the process of inflation can go on forever. Instead of the inflaton energy converting into ordinary particles all throughout the universe, it can convert in some places but not others, creating localized “Big Bangs.” Elsewhere inflation continues, eventually producing other separate “universes,” eventually an infinite number. From an attempt to explain conditions in the single universe that we see, cosmologists end up predicting a “multiverse.”

This may sound like a very peculiar result. But in the news conference after last week’s announcement, both Guth and Linde suggested that evidence for inflation boosts the case for the multiverse.