![]() ![]() While it ended for everything that we can detect from Earth 13.8 billion years ago, cosmic inflation in fact continues in other places. According to theoretical physicist Alexander Vilenkin of Tufts University in Massachusetts, inflation didn't end everywhere at the same time. ![]() That mysterious process of inflation and the Big Bang have convinced some researchers that multiple universes are possible, or even very likely. Related: How an inflating universe could create a multiverse And that's all before the actual expansion of matter that we usually think of as the Big Bang itself, which was a consequence of all this inflation: As the inflation slowed, a flood of matter and radiation appeared, creating the classic Big Bang fireball, and began to form the atoms, molecules, stars and galaxies that populate the vastness of space that surrounds us. Before 10^-32 seconds had passed, the universe had exploded outward to 10^26 times its original size in a process called cosmic inflation. Then, according to the Big Bang theory, it burst into action, inflating faster than the speed of light in all directions for a tiny fraction of a second. Eternal inflation, the Big Bang theory and parallel universesĪround 13.7 billion years ago, everything we know of was an infinitesimal singularity. ![]()
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