To be honest, I really don't have a strong opinion about whether the expansion will stop and reverse. There are measurements that show the universe is still expanding but at a somewhat slower rate. This belief is based on the closed universe theory.Yourr obviously a good thinker.
Do you think the current expansion of the universe since the big bang, which is still expanding as we know, will ever stop?
Take it further. Do you think it could reverse to the point where all matter reforms into the big crunch of shrinking, like say how they think it started.
It is a tossed about theory that our current big bang might not have been the first.
Another of my readings.
The number of planets in our solar system is billions. We know of life on one, this one.
Let's say this solar system has one billion and one earth. Using that calculation and there are billions of galaxies, which leaves the possibility that on that ratio, there are a billion planets that could have life.
Any thoughts.
In opposition, those that believe the universe will just continue expanding is supported by the open universe theory.
There is some evidence to support both theories.
You wrote, "the number of planets in our solar system is billions". I assume you meant universe. The shear vastness of the universe, the number galaxies, stars, and planets that must be the in the quadrillions is in itself a strong argument that there is some kind of life somewhere other than earth. However, if you're thinking of life as we know it with intelligent species, then the odds go down drastically that they exist at this point in time. There have most likely been many thousands of planets with intelligence life that have died out over the millions or billions of years and there maybe thousands or millions of other planets that are only starting to show the very beginning of life.
IMHO, if the human species survives and continues to progress, then in a thousand years or so, we may send out ships approaching the speed of light in search of planets with intelligent life for thousands of years and still not find them. The furthest detectable galaxy is over 14 billion light years. The almost infinite distances in our universe and the fact that intelligent life span is finite argues against us ever finding intelligent life. However, maybe we will be lucky.
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