/sci/ - Science & Math

should I faraday cage my house and cover all my electronics in tinfoil?

>>3536758
no, but come the first cycle peak in 2013 and the second in 2015, the power grids are gonna flip the fuck out every time a major flare fires off and subsequently fucks with our magnetic field. If this one had fired at Earth (the sunspot that generated it is about to rotate out of view) in about 2-3 days we would have seen aurora stretching as far south as the state of virginia

>>3536758
Faraday cage wont help you a bit

Now watch the Proton Flux + its delay

>>3536817
oh you mean this? The surge reflecting the x flare has already reached sensors aboard the GOES-13 satellite

>>3536827
>X-class
Every source but that video calls it a M-class.
Get your shit straight.

So...we all die, end of days?

You forgot to title your graph, go back to middle school.

>>3536855
http://www.swpc.noaa.gov/rt_plots/xray_1m.html

NOAA would like to disagree with you

goddamn!.. part of me is breathing a sigh of relief it came from a sunspot about to rotate over to the opposite side from us.

THE SKY IS FALLING

>>3536955
What is this? Somebody explain.

>>3537011
read the title

>>3536955

One indicator of a falling sky is the geosynchronous satellites falling silent. See green dashed circle in pic.

>>3537166
what site did that come from? Was it NOAA's space weather section or somewhere else?

>>3537194

http://pixie.spasci.com/DynMod/

>>3537225
thank you anon

i hope those decay rate observation guys are paying attention.
http://news.stanford.edu/news/2010/august/sun-082310.html
if this is right, high neutrino flux density may just slow down radioactive decay rate by some small level

So.. how to protect vidya?

if it doesn't damage stuff why do u care?

>>3537327
it does. Geomagnetic storms drive hundreds of thousands of amps of current into the ground as well as through the power grid. Transformers explode and melt, substations are overloaded, all sorts of nasty shit happens during a powerful solar/geomagnetic event

>>3537225
this is beautiful

>>3537343
but thankfully it doesn't effect electronics very much, or at least the bad but not really bad ones do

>>3537343
so unplug computer when the flare is set to hit?

>>3537376
on the ground no, we still have a nice thick layer of atmosphere to stop anything that gets through the magnetic field... or whats left of it during a severe event. Anything still in space though is gonna suffer, astronauts included.

>>3537381
the actual Xray burst doesnt do much, except give us one hell of a warning. What really does the damage is the coronal mass ejection a high powered flare throws out, especially if said CME is of opposite polarity to earth, and for those the STEREO sattelites, SOHO, and SDO will all see them coming and give us adequate warning to hunker down and shut down that which is needed to be shut down.

>>3537403
In English?

I've never heard a clear guide of how would we defend ourselves against a real big flare
http://en.wikipedia.org/wiki/Solar_storm_of_1859

I mean something like this will happen, it's only a matter of time, and as far as I know there are no real defenses in place.

>>3537443
we can see the actual damaging part coming and take steps to nullify some of its effects on our technology, both on the ground and in space.

>>3537460
thank you!

you are awesome! really helpful!

>>3537403
SOHO is such a bro, seriously, that poor guy gets sunbaked daily.

also, coronal mass ejections generally take, what, 28 hours or so to get here?

i think the emergency protocols are to disconnect any and all long distance power lines from any substations. the power lines act as enormous radio antennas and generate massive voltage potentials, knocking out substations on either end and destroying parts that take months to rebuild.

however, 28 hour warning is more than enough to prepare.

>>3537445
i see your mid-1800s solar storm and raise you the X27 superflare of '03

http://spaceweather.com/archive.php?day=04&month=11&year=2003&view=view

It was eventually determined that the flare peaked somewhere around the X27-28 region, but we will never really know how truly powerful it was because our instruments in space were overloaded from the intensity of said flare.

>>3537476
according to wikipedia, they have a velocity range of "20km/s to 3200km/s with an average speed of 489km/s". So if you crunch the numbers, a CME moving at 3200KM/s would hit in just under 13 hours. At average velocity it would take approx 85 hours to reach us. And at the lowest speed, it would take more than 2100 hours to reach our orbit.

>>3537478
I don't know much about this, but I assumed that the 1859 one was way bigger, if the 2003 one was really bigger, than we have really nothing to worry about.

>>3537541
it all depends on where the sunspot is on the sun when it goes off, the polarity of the CME launched from it, and the polarity of the interplanetary magnetic field directly around earth.

Optimal conditions for severe damage involve a sunspot pointing almost directly at us, a CME with a negative polarity respective to earth, and a interplanetary magnetic field with a negative polarity in the -20nT (nano-tesla) or greater range. Get all of those conditions, and all hell will break loose. The reason the '03 superflare didnt do anything was because A: the sunspot was about 4 hours from crossing to the far side of the sun, B: the CME almost completely missed us, and C: the interplanetary magnetic field that day was at +5.2nT.

and while the thought is on my mind, does anyone here know of any broad-spectrum internet radios that i can listen to? it needs to be able to work right around the 2.1 terahertz range.

>>3537688

You really mean 2.1THz as in 143µm or 20K? Listen to leaky airport scanners?

>>3537506
really? i thought they were a lot faster on average
oh well, good for us