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Post by Deleted on Mar 19, 2021 17:53:04 GMT -6
I think there probably are but who could know for sure.
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Post by lowell on Mar 20, 2021 19:33:48 GMT -6
Universe by the definition precludes the existence of others. I have been corrected in the past about referring to universes. There is a requirement for new terminology if our collection of large galactic clusters is not all that there is. Some physicists refer to a multiverse.
The universe (which kept getting larger as time went by) is often referred to as a Meta-galaxy now. We can't perceive all of it and we can only make educated guesses about how large it is. This is because the farther away a galactic cluster is from us, the faster it is moving away from us. We reach a point in space, anywhere we look, where beyond that point, any clusters would be moving faster than the speed of light, relative to us, and their light never reaches us.
If we become capable of FTL space travel (faster than light), we will learn about the true size of our meta-galaxy. If we can move at millions of times the speed of light, we can quickly discover these secrets of the universe.
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Post by Deleted on Mar 21, 2021 4:35:40 GMT -6
Universe by the definition precludes the existence of others. I have been corrected in the past about referring to universes. There is a requirement for new terminology if our collection of large galactic clusters is not all that there is. Some physicists refer to a multiverse. The universe (which kept getting larger as time went by) is often referred to as a Meta-galaxy now. We can't perceive all of it and we can only make educated guesses about how large it is. This is because the farther away a galactic cluster is from us, the faster it is moving away from us. We reach a point in space, anywhere we look, where beyond that point, any clusters would be moving faster than the speed of light, relative to us, and their light never reaches us. If we become capable of FTL space travel (faster than light), we will learn about the true size of our meta-galaxy. If we can move at millions of times the speed of light, we can quickly discover these secrets of the universe. That's really interesting to say the least.
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