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Originally posted by Blue Shift
From what I understand, Earth got most of its water from asteroids and other rocky materials floating around at the beginning of the solar system. If you heat rocky meteorites, they give off all kinds of water vapor.
As for the rest of the universe, I suppose there's a decent amount of water here and there. There's a lot of everything in the universe, seeing as how big it is. More than anything, though, the universe is filled with a whole lot of nothing. If it was filled with more stuff, you wouldn't be able to see many stars.
So I guess compared to vast reaches of space where there basically isn't anything, there isn't really that much water after all. Add to that all the stars and planets that don't have any water at all, and you have almost no water, period, really.
Originally posted by Arbitrageur
I have sources to backup my claims that oxygen and/or water haven't been around since the beginning, as you claim physicists said:
Originally posted by Doc Velocity
Originally posted by Arbitrageur
I have sources to backup my claims that oxygen and/or water haven't been around since the beginning, as you claim physicists said:
No, now you're misquoting me to make your point. I never said water has been around "since the beginning"... Those are your words.
I said "a few hundred million years" after the Big Bang. That's not "the beginning"... While Hydrogen probably existed from the beginning, Oxygen didn't exist until after the birth of the original "stars," which fused the primordial elements into heavier elements.
As I said, you're only hearing what you want to hear.
— Doc Velocity
Originally posted by Doc Velocity
Physicists tell us that all water molecules that exist today in the Universe existed in the earliest days of the Universe, basically just a few hundred million years after the Big Bang, which I find quite odd, indeed.
Originally posted by Doc Velocity
Well, that's always been my contention, as well, that water assembly and disassembly is an ongoing, never-ending cycle. However, over the decades, on more than one of the "edutainment" networks, I've heard "scientists" — including Dr. Carl Sagan — rather matter-of-factly assert that there is as much water in the Universe now as there has ever been, and that the quantity of it is an unchanging constant.
Originally posted by Arbitrageur
Are you saying that the stellar processes only formed oxygen or water for a few hundred million years and then stopped forming it? And if so why?
Originally posted by Arbitrageur
And again what are your sources? You say Sagan but I couldn't find where he said it was constant. Can you be more specific?
Originally posted by Doc Velocity
Physicists tell us that all water molecules that exist today in the Universe existed in the earliest days of the Universe, basically just a few hundred million years after the Big Bang, which I find quite odd, indeed.
Originally posted by Doc Velocity
Well, that's always been my contention, as well, that water assembly and disassembly is an ongoing, never-ending cycle. However, over the decades, on more than one of the "edutainment" networks, I've heard "scientists" — including Dr. Carl Sagan — rather matter-of-factly assert that there is as much water in the Universe now as there has ever been, and that the quantity of it is an unchanging constant.
Originally posted by Doc Velocity
Physicists tell us that all water molecules that exist today in the Universe existed in the earliest days of the Universe, basically just a few hundred million years after the Big Bang, which I find quite odd, indeed.
Essentially, they're telling us that the bonding of hydrogen and oxygen atoms into water molecules happened just once, such that water is among the oldest compounds in the Universe. The half-gallon or so of water that you drink today (and that you will piss away later) has existed for about 13 billion years, and it will still exist 13 billion years from now.
Which I don't buy for a moment.