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CeeRz But around 600 million years from now, things will start happening that will affect Earth and its inhabitants in entirely new ways.
Our sun will increase in luminosity — the amount of energy emitted by a star — to the point that it will disrupt the carbonate-silicate cycle.
Furthermore, the increased heat will evaporate more water from Earth’s surface, and this process will make rocks even harder. This will cause plate tectonics to slow down and eventually stop.
Originally posted by Lucid Lunacy
reply to post by CeeRZ
Anywhere from 1 trillion to 100 trillion years from now, the formation of new stars ends as galaxies deplete the gas clouds that are necessary to form new stars, according to Fred C. Adams, professor of physics at the University of Michigan. This marks what astrophysicists call the Degenerate Era. With no remaining free hydrogen to form new stars, all remaining stars will slowly exhaust their fuel and die.
...and then the Universe implodes in on itself and starts all over
Nope, it's expanding at an ever accelerating rate.
In physical cosmology, the Big Crunch is one possible scenario for the ultimate fate of the universe, in which the metric expansion of space eventually reverses and the universe recollapses, ultimately ending as a black hole singularity or causing a reformation of the universe starting with another big bang.