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Posted on 9/30/18 at 7:52 pm to Prominentwon
Why is it so important for some of you people to dispute the Big Bang?
Does it somehow threaten you?
Does it somehow threaten you?
Posted on 9/30/18 at 8:04 pm to Prominentwon
quote:
Expand from what and where was this period sized universe located? Inside another universe? Considering space is never ending?
More from this book
quote:
What happened before all this? What happened before the beginning? Astrophysicists have no idea. Or, rather, our most creative ideas have little or no grounding in experimental science. In response, some religious people assert, with a tinge of righteousness, that something must have started it all: a force greater than all others, a source from which everything issues. A prime mover. In the mind of such a person, that something is, of course, God. But what if the universe was always there, in a state or condition we have yet to identify—a multiverse, for instance, that continually births universes? Or what if the universe just popped into existence from nothing? Or what if everything we know and love were just a computer simulation rendered for entertainment by a superintelligent alien species? These philosophically fun ideas usually satisfy nobody. Nonetheless, they remind us that ignorance is the natural state of mind for a research scientist. People who believe they are ignorant of nothing have neither looked for, nor stumbled upon, the boundary between what is known and unknown in the universe. What we do know, and what we can assert without further hesitation, is that the universe had a beginning. The universe continues to evolve. And yes, every one of our body’s atoms is traceable to the big bang and to the thermonuclear furnaces within high-mass stars that exploded more than five billion years ago. We are stardust brought to life, then empowered by the universe to figure itself out—and we have only just begun.
This post was edited on 9/30/18 at 8:06 pm
Posted on 10/1/18 at 9:28 pm to Prominentwon
quote:
Expand from what and where was this period sized universe located?
You're going to hate this but consider that "space"is part of the universe. So, in other words, space is also part of what was expanding.
quote:
Inside another universe?
No.
quote:
Considering space is never ending?
Except that it isn't, at least if you accept that the Big Bang was the beginning of the universe. Thus the universe can only be as big, now, as space can expand in the time since the Big Bang. In other words, the universe is finite. An infinite universe is not consistent with the Big Bang as an origin of the universe. An infinite universe cannot have a beginning or end. Think of it like the game Asteroids, if you're old enough to remember that, where if you go off the screen in one direction you actually enter it from another - there is no "edge" to a finite universe and nothing outside it.
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