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/sci/ - Science & Math

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3920951 No.3920951 [Reply] [Original]

We all know the magnetic field of the Earth is going to shift polarity within the next 10 000 years. Will there be regions fried by solar wind during the shift? Assuming humans are still kicking and still inhabit biological bodies vulnerable to radiation, what would the lethality be of living in such a region? 100%?

>> No.3920958

>Assuming humans are still kicking and still inhabit biological bodies

We won't be, sorry to burst you're bubble.

>> No.3920956

>>3920951 Will there be regions fried by solar wind during the shift?
No.
We're going to see the incidence of skin cancer go up a few percent a worst.

>> No.3920959

question is too unspecific

anyways,

if magnetic field shifts were dangerous, life would not have made it this far

>> No.3920961

What the fuck do you think the magnetic polarity even fucking does

>what would the lethality be of living in such a region? 100%?

It might raise by 2%.

>> No.3920963

I get what you are saying op, but if we're still in this solar system within 100 years then we deserve it.

>> No.3920968

>>3920951
>what would the lethality be of living in such a region? 100%?

lolwat

Yes. 100%. That's why all life on Earth goes extinct every few thousand years.

>> No.3920969

>>3920959
>life would not have made it this far
The region might be small when compared to the Earth as a whole. That's not to say a couple of dinosaurs didn't get barbecued.

>> No.3920972

>We all know the magnetic field of the Earth is going to shift polarity within the next 10 000 years
Not really. We know it might.

And our species has survived magnetic reversals before, so it's not like it's a big deal.

>> No.3920982

>>3920968
>all life on Earth
WITHIN THE REGION of zero field strength.

>> No.3920989

>>3920968
You're a fucking retard. There is no correlation between extinction events and magnetic reversals. The last one was about 780,000 years ago - and we're still here.
http://en.wikipedia.org/wiki/Brunhes%E2%80%93Matuyama_reversal

>> No.3920992

>>3920982
Even that isn't especially lethal. Some things would get cancer more often.

>> No.3921000

>>3920982

How, exactly, do you think the poles reverse?

Do they just wiggle for a little.. then suddenly collapse, and become the opposite charge?

Now, it's a slow tip up/down to zero charge, then it keeps going up/down to the opposite charge.

Zero magnetic charge is not, like, SUDDENLY THE FULL FORCE OF THE SUN PIERCES THE ATMOSPHERE LIKE A LASER.

>> No.3921002

>>3920982 zero field strength
You know how magnets work don't you? There are no regions of zero field strength.

>> No.3921009

>>3920963
How stupid can you be, when you can even entertain the notion of the entire human race, coming together and leaving the solar system, when the nearest planet outside the solar system is over 4 lightyears away.

For the last 100 years, we've hardly discovered anything. The zionist regime of capitalism and world domination isn't helping, either.

The furthest we've got is sending a few dozen probes one a 1 way journey to a couple of moons.

Even a thousand years is pretty optimistic, at the current rate of development.

>> No.3921011

>>3921000
There's also good evidence that the field is actually chaotic in the several thousands years of transition, and is never "zero" at all.

>>3921009
>For the last 100 years, we've hardly discovered anything.
....

>> No.3921024

>>3920989

This post nominated for daily aspergers award.

>> No.3921029

>>3921024
>post facts that directly point out why the OP is full of shit
>get called "aspergers" by the OP, who is sad that his bullshit is now exposed

>> No.3921039

>>3920982

Even if the entire magnetic field disappeared, the solar wind still wouldn't reach the surface, because the atmosphere is too thick. There would just be a slight increase in secondary radiation.

Where did you ever get the idea that things would be "fried?"

>> No.3921042

>>3921039
b-b-b-but The Core! And Fox News!

>> No.3921050

>>3921029
>completely miss extremely obvious sarcasm
>have aspergers pointed out
>just get more and more buttmad

ftfy

>> No.3921051
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3921051

>>3921050
not even mad, bro.

>> No.3921055

>>3921051

Clearly.

>> No.3921057

>>3921042

>The Core

Oh god, I remember that movie, when the magnetosphere started "burning away" like some sort of fabric and THE OMNIPOTENT SUN started boiling the ocean and melting steel everywhere

>> No.3921058
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3921058

>>3921055

>> No.3921059

>>3921024

seconded

>> No.3921070

>>3921009
>100 years

>haven't discovered anything

What the fuck? What do you think you are posting from right now.

>> No.3921071
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3921071

>>3921059
I love you samefag

>> No.3921072

>>3921011
Yeah, because now we're so much closer to understanding what gravity is, what causes it and other easy things you obviously all know about.

>apple hits you on head
>this is called gravity
>okay cool
>what is it?
>i dunno, a force i guess
>100 years later
>gravity is a wavicle
>okay

>> No.3921076
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3921076

>>3921072
Surely your post is made in good faith and is not an attempt to enrage others

>> No.3921075

>>3921039
>Even if the entire magnetic field disappeared, the solar wind still wouldn't reach the surface, because the atmosphere is too thick.
You sure about that?
OP is wrong but I dunno about this.

>> No.3921074

finally you realise the chief evolutionary advantage of being black; immunity to radiation like this

>> No.3921077

>>3921075
What do you think the solar wind is made of?

>> No.3921078

>>3921009
>For the last 100 year weve hardly discovered anything
LOLWUT

>automobiles
>cell phones
>nuclear energy
>quantum mechanics
>relativity
>flight
>left earth (moon, probes to mars, ISS)

>sure is nothing

>> No.3921088
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3921088

>>3921009
>For the last 100 years, we've hardly discovered anything.
Jesus titty-fucking christ, you can't be seri-
>zionist
Oh never mind you're just brain-damaged.

>> No.3921090

>>3921075
For the record, I'm not saying instantly either. But I'm pretty sure thats what happened to Mars atmosphere. The magnetic field went so the solar radiation started fucking up the atmosphere and here we are today (yes we're talking about crazy long periods of time).

>> No.3921094

>>3921090
Mars has like 1/10 the mass of Earth. It can't hold a dense atmosphere.

>> No.3921099

>>3921094
At least not for a billion years.

>> No.3921106

>>3921094
>>3921099
Good point.

>> No.3921107
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3921107

>>3921094

>Mars has like 1/10 the mass of Earth.

>> No.3921112

>>3921094
>>3921090
Both effects are there. I bet the mass is the bigger problem though.

>> No.3921116

>>3921107
He's right though. (to be exact its x9.3)

>> No.3921117

>>3921107
Boy are YOU going to feel stupid when you Google it.

>> No.3921131
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3921131

>>3921107
>Mars has like 1/10 the mass of Earth.
He's right.
http://en.wikipedia.org/wiki/Mars
>Physical characteristics
>Mass 6.4185×1023 kg[4]
>0.107 Earths

>>3921094
Correct, but that's true of any planet given enough solar wind and time. Mars can still hold a habitable atmosphere for hundreds of thousands if not millions of years, and if we have the ability to terraform Mars then we have the ability to construct an artificial planetary magnetic field to shield it from the magnetic field not long after.

>> No.3921136

http://www.wolframalpha.com/input/?i=%28mass+of+mars%29%2F%28mass+of+earth%29
>mfw

>> No.3921143

>>3921131
Also, isn't Earth's atmosphere replenished by biological processes anyway? There's a fuckton of oxygen around in the rocks (silicon dioxide), but I don't know about nitrogen and carbon

>> No.3921150

>>3921143
Carbon dioxide is replenished from volcanoes and carbonaceous rocks, I would say nitrogen is also contained in rocks in plentiful amounts.

>> No.3921156

>>3921117

you seem upset

>> No.3921160

>>3921143
Most (read: all) free oxygen is from biological processes. The one in rocks has too strong bonds to be released in meaningful enough concentrations. Free nitrogen is ungodly stable and doesn't like to bond, at all.

>> No.3921166
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3921166

>>3921156
Not at all! :3

>> No.3921309

>>3921160
There are biological processes that fix atmospheric nitrogen, too.

And the oxygen in the rocks? That ultimately came from biological processes, too. It was originally locked up in the thick (almost Venus-like, but not as hot) volcanic CO2 atmosphere prior to the oxygen crisis; then eubacteria began to use it for photosynthesis, fixing the carbon and releasing O2, which then reacted with the rocks, eventually saturating them and leaving nothing but a much-thinner atmosphere composed mostly of nitrogen.

>> No.3921342

Just because the poles shift, does not mean that there will be a time when there is no magnetic field protecting the Earth.

Rather then seeing the poles go from + to -, to 0, then to - to +, we will see several poles at the same time.

>> No.3921355

>>3921078
By the way, where is the magnetic North pole now? Somewhere in Russia, isn't it? It moves quite a bit every year.

>> No.3921403

>>3921355
>thinks the North Pole is in Russia

I always suspected that Santa was socialist

>> No.3921408

>>3921403
Well, he WAS invented by Danes...

>> No.3921549

>>3921309

...um, no. CO2 on Earth weathers into rocks quite quickly as carbonates without any help from biology, thank you very much. The reason this doesn't happen on Venus is because it is too hot for carbonates, i.e. they thermally decompose back into CO2.

>> No.3923143

>>3921549
>Implying Earth's crust wasn't saturated with carbonates back then, just the same as Venus' is now
For fuck's sake, dude. You're denying something that was proven BY geology.

>> No.3923150

>>3920989
sometimes... I just can't tell

>> No.3923160

no, there won't be any advancement from now on, we're stuck bro. considering how 99% of the whole US is braindead stupid it's a fact we are doomed now

>> No.3923172

>>3923160

Who gives a shit about the US, China will grow larger.