when did the inflationary epoch begin?

And the expansion may go on and on for many stages. Fig. I'm being kind of vague here, because the physics are, well, kind of vague. By now, inflation has moved all the objects that were in the original grey region of Figure 1 (green and red dots) to extremely great distances from one another. In 1964, inflation measured a little more than 1 percent per year. Many geologists believe that humanity’s imprint on Earth is clear enough to warrant the naming of a new epoch.

It eventually declined to average only 3.5 percent in the latter half of the 1980s. The inflationary Universe According to the theory of inflation, the early Universe expanded exponentially fast for a fraction of a second after the Big Bang . It had been in this vicinity over the preceding six years. 4: The heart of the inflationary epoch. Inflation began ratcheting upward in the mid-1960s and reached more than 14 percent in 1980. When Did the Human Epoch Begin? As universe cools the proton and neutrons begin to stick together when universe is 100 seconds old cooled to 1 billion K -----> deuterium (p+n) forms. During this time, mammals were the dominant form of animal life. The Eocene Epoch was the second epoch of the Tertiary Period. The grey region has grown to a incomprehensibly vast size, profoundly empty and cold [though note the above caveat]. Note on the left the dramatic expansion (not to scale) occurring in the inflationary epoch, and at the center the expansion acceleration.

During this time, mammals were the dominant form of animal life. In Russia, the February Revolution (known as such because of Russia’s use of the Julian calendar) begins when riots and strikes over the scarcity of food erupt in Petrograd.

Nuclear Epoch (first few minutes) Protons and neutrons fuse into nuclei By the time the universe is about 15 minutes old, much of the helium had been formed Crossover from radiation to matter dominance begins at 50,000 years at a temperature of 16,000 K ; Matter Era Atomic Epoch Begins about 50,000 years after the Big Bang But then, the inflaton (somehow) changes and reduces its vacuum energy, shutting off the inflationary epoch. Cosmologists introduced this idea in 1981 to solve several important problems in cosmology.


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