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Originally posted by NOTurTypical
Alright Granny, try to think back this far...
How did the oceans originally form?
Originally posted by NOTurTypical
reply to post by Annee
I asked YOU how the oceans were formed.
You had no qualms about interjecting a few posts ago.
In case you weren't paying close attention I've already explained what I was taught in school.
Earth rocks were rained on for millions of years.
That's wrong, I'd still be an atheist who believed in molecules-to-man Evolution if I never "challenged my beliefs.
By simulating a high-velocity comet collision with the Earth, a team of scientists has shown that organic molecules hitch-hiking aboard a comet could have survived an impact and seeded life on Earth.
Is it stardust these days? When I was in school they taught we came from rocks that were rained on for a very long time.
So you're saying we don't come from rocks???
The statement that we are all "star stuff," coined by the late astronomer Carl Sagan (not sure if this was before or after Joni Mitchell sang "we are stardust; we are golden. we are billion year old carbon"), is meant to imply more than that we are made of the same elements that stars are made of. Beyond that, the elements themselves (carbon, nitrogen, oxygen, etc.) were synthesized, cooked up as it were, in the nuclear furnaces that are the deep interior of stars. These elements are then released at the end of a star's lifetime when it explodes, and subsequently incorporated into a new generation of stars -- and into the planets that form around the stars, and the lifeforms that originate on the planets.
We are all made of stardust. It sounds like a line from a poem, but there is some solid science behind this statement too: almost every element on Earth was formed at the heart of a star.
Next time you’re out gazing at stars twinkling in the night sky, spare a thought for the tumultuous reactions they play host to. It’s easy to forget that stars owe their light to the energy released by nuclear fusion reactions at their cores. These are the very same reactions which created chemical elements like carbon or iron - the building blocks which make up the world around us.
After the Big Bang, tiny particles bound together to form hydrogen and helium. As time went on, young stars formed when clouds of gas and dust gathered under the effect of gravity, heating up as they became denser. At the stars’ cores, bathed in temperatures of over 10 million degrees C, hydrogen and then helium nuclei fused to form heavier elements. A reaction known as nucleosynthesis.
This reaction continues in stars today as lighter elements are converted into heavier ones. Relatively young stars like our Sun convert hydrogen to produce helium, just like the first stars of our universe. Once they run out of hydrogen, they begin to transform helium into beryllium and carbon. As these heavier nuclei are produced, they too are burnt inside stars to synthesise heavier and heavier elements. Different sized stars play host to different fusion reactions, eventually forming everything from oxygen to iron.
During a supernova, when a massive star explodes at the end of its life, the resulting high energy environment enables the creation of some of the heaviest elements including iron and nickel. The explosion also disperses the different elements across the universe, scattering the stardust which now makes up planets including Earth.
Originally posted by awake_and_aware
i never stated evolution was a theory regarding the origin of life, or the "seeding" of life. When stars explode, molecules are the part of the chemical soup, Stars exploded in order for our planet, and thus HUMANITY to exist.
I even suggested reading "The 15 Misconceptions About Evolution"" which you have ignored, obviously.
There is much speculation about how life was "ignited" or how it was "seeded" on Earth:-
After the Big Bang, tiny particles bound together to form hydrogen and helium. As time went on, young stars formed when clouds of gas and dust gathered under the effect of gravity, heating up as they became denser. At the stars’ cores, bathed in temperatures of over 10 million degrees C, hydrogen and then helium nuclei fused to form heavier elements. A reaction known as nucleosynthesis.
I read and share - i don't preach, remember that.
Evo is not about the origin of all/any life, but is about the origin of human life?
The theory of evolution primarily deals with the manner in which life has changed after its origin.
Don't you ever wonder where the stars came from, what made them explode, how the molecules survived and were part of a "soup" from who knows where, and how sexual reproduction (which humans do) ever became an evolutionary advantage? Just curious.
Read that quite a while ago, and responded. Gosh, haven't they moved on from those in three years' time?
And such speculation is merely glorified guessing. Not science but "just so" stories... coulda, woulda, shoulda.
A story! I love hearing the ones where what could have happened a long time ago in a galaxy far, far away is made into a scientifical fact.
You're being facetious, right? If not, could you define the difference? Is lack of a deity it?
Originally posted by awake_and_aware
No, you havn't read the source i posted.
So yes, i do wonder... it requires rational, logic; not jumping to silly dark-aged superstitious conclusions.
The first quote by you in this post shows you don't understand it. Havn't they moved on from what? Expand if you would.
Yes it is, like speculating that there's an afterlife, that you will be saved, or be sent to hell, so is presuming the cosmos has been created with us in mind, so is presuming the universe has a cause, and that the cause is God.
At least scientists have EVIDENCE to speculate on the origins of life, not some half-baked pseudo-intelligent philosophy that alludes to some "GOD" being in the background.
Exactly. And one presumption is no better than another.
And theists don't? Design isn't evidence of a designer? The problem is not lack of evidence, it's refusal to accept valid evidence. We all have the same data to study but come to different conclusions, and again, one opinion is no more "scientific" than the other.
Half-baked? Clearly, I've been wasting my time.
And theists don't? Design isn't evidence of a designer?
Originally posted by awake_and_aware
No, scientific "pressumptions" are based on existing evidence, and they don't insist upon themselves, they are welcome to change in light of new evidence. And they are not so much apressumptions but "hypotheseses" and some are more rational than others.
You've highlighted your ignorance the source you so easily dismissed, that much is evident.
Originally posted by awake_and_aware
This much is clear, your willing to deny possibilities