A universe that collapses to a single point due to baryon annihilation required to produce energy needed for colonization. The universe is not infinite and even though we observe the universe expansion accelerating, that doesn’t mean it will continue to accelerate forever. This is like the counterpoint of the Big Bang—the “Big Crunch”.
In The Beginning of Infinity, the author argues an omega-point universe is necessary for the energy required to achieve infinite knowledge creation. This can be thought of as a computation problem—how could there be infinite computation if there is not infinite time? Similar to the trick used to measure infinity, an advanced civilization would increase the computation speed (speeding up thought) as the universe collapses, harnessing the heat energy from the collapse to further accelerate computation, and approach infinite computation.
(This reminds me of one of my favorite books, Hard Boiled Wonderland and the End of the World by Haruki Murakami.)
Links to this note
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Redshift Is Not from Motion but from Expansion
One of the observations that supports the Big Bang theory is the redshift of galaxies. If the universe were static then the light that we observe would not be so redshifted (the wavelength of light gets stretched out making it more red). However, that doesn’t mean that galaxies are moving away from us, just that there is comic expansion puts greater distance between things.
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An Object Can Not Go the Speed of Light Because it Would Have Infinite Mass
The equivalence of mass and energy means that an object (having mass) can not reach the speed of light. As it approaches the speed of light, the mass of the object would become infinite thereby taking an infinite amount of energy. Therefore, only something without any intrinsic mass (like light or a wave) can go the speed of light.