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Because most models only have the cores of a "standard planet" lasting from 2-3 billion years before it solidifies.
Standard models? Boy, what is proven wrong more often than our standard models? Of all the exoplanets we have actually found, we are discovering that most rocky worlds tend to be LARGER than the Earth--- much larger. The Earth is a rather puny thing as far as typical rocky worlds are concerned. So planets capable of holding magnetic fields for many billions of years must be rather commonplace across the galaxy.
RUBBISH. After the surface of the Earth sufficiently cooled and solidified, it took life here only about 200,000 years to emerge as prokaryotes, and only about another 1.5 billion years for eukaryotes, mitochondrial organelles and chloroplasts (the beginnings of multicellular, specialized cellular life) to emerge.
So planets capable of holding magnetic fields for many billions of years must be rather commonplace across the galaxy.
Standard models? Boy, what is proven wrong more often than our standard models?
You just commemted on how all of our observations and theory all point to the occurrence of such an event.
Yet still, scientists don't insist with any real certainty that the Universe started as a singularity.
We only know that there was rapid inflation from an earlier, ultradense state. And no, the evidence is not just theoretical. We took a picture of it.
Yes, that impact reset the clock all over from the beginning, so you don't get to ADD that time to that coming after.You are aware that we do not know that, right? That original "Earth Mark I" vanished about 4.5 gya.
Eukaryotes emerged a little over 2 billion years ago, about 1.6 billion years after the first prokaryotes.And your timeline is more than a little off. eukaryotes evolved around 2.1–1.6 gya, not the 3+ gya you are claiming.
I said nothing about algae much less its emerging just 200,000 years after the Earth cooled. You better go back and learn to read. That first life likely appeared on the ocean floor in the form of chemoautotrophs. Cyanobacteria like blue-green algae did not appear in the historical record until long after the first prokaryotes, about 3.4 billion years ago, which is again, just a little over a billion years since the surface could first support life, all of which conflicts with your original claim as stated.And it was about 3.5 gya that blue-green algae developed, almost a billion years after your "200,000 year" claim.
Yet Mercury still has one and it is smaller than some of our moons!True, Mars had one for billions of years, as did Venus. But both are cold now.
How the fuck would you know that? Now you are just talking out of your ass.The Earth is largely a lucky accident,
Several billion years. No one can say if our field will last that long.which is why our core will still be active when the planet is absorbed by the sun in a few billion more years.
So you just react all scientific beliefs, and just make your own up as you go along. Got it.
Eukaryotes emerged a little over 2 billion years ago, about 1.6 billion years after the first prokaryotes.
Yet Mercury still has one and it is smaller than some of our moons!
It is speculation,no doubt.I commented on the fact that mathematical data suggests a universe that pulses. The idea that this means a singularity is pure speculation.
This is what pisses me off about people who think there is no other life out there.It is speculation,no doubt.
Nuclear reactors?What in the hell do you think makes our magnetic field?
This is what pisses me off about people who think there is no other life out there.
It depends on who's right about the core.Several billion years. No one can say if our field will last that long.
People don't know that there is other life out there. No one does.This is what pisses me off about people who think there is no other life out there.
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If he's the king, you're the queen.You’re the king of doing that. Thinking something proves something it doesn’t.
It depends on who's right about the core.
Like Sealybobo.And most estimates range from 50-90 billion years. Which is a period of time significantly past the roughly 7.5 billion years when the sun will swallow the Earth.
We know that through a happy chance of fate, that our planet has a core that is roughly double that is a "traditional" planet of our size. And that additional injection of core is what gives us such a strong field, and why it will last long past any others. It is more than just the placement of a planet inside the "Goldilocks Zone", there are a great many things that have to happen in order to have life develop, and mature to anything past pond scum.
It's been awhile since I looked into it but that range isn't what I remember seeing.And most estimates range from 50-90 billion years. Which is a period of time significantly past the roughly 7.5 billion years when the sun will swallow the Earth.
We know that through a happy chance of fate, that our planet has a core that is roughly double that is a "traditional" planet of our size. And that additional injection of core is what gives us such a strong field, and why it will last long past any others. It is more than just the placement of a planet inside the "Goldilocks Zone", there are a great many things that have to happen in order to have life develop, and mature to anything past pond scum.
