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Originally posted by kawaii
I hope nothing big would happen but my sixth sense says, it is heading this way. Tell me i am wrong.
Originally posted by brokenheadphonez
And also there has been a marked increase in seismic/volcanic activity this month...
Also, if anyone has a GPS (I don't), check it. Tinker with it please? Also if anyone has a satellite dish for TV, check your reception. Leave a TV on if you have to. This is a great chance to study this!
[edit on 28-6-2009 by brokenheadphonez]
Originally posted by brokenheadphonez
I'd really love to see the aurora. They seem like they'd be beautiful, I'm trying to forecast a good aurora so I can make a trip, it seems like I may be able to know a good 40-80 hours in advance with the help of some knowledgeable minds.
How often do you see the aurora around Sudbury, tribewilder? I think the different colors are due to the ionization of certain chemicals in different parts of the atmosphere.. The color gives a hint to the chemical composition @ 50km I think? Someone correct that one if I'm wrong..
Originally posted by Phage
reply to post by brokenheadphonez
Actually, the charged particles aren't really hitting the Earth, they are hitting the magnetosphere very far from the Earth. The magnetosphere then redirects the particles to the poles where they can interact with the upper atmosphere (higher than 50km) and produce aurora.
The speed and temperature of the solar wind made a jump a few days ago as a result of a hole in the Sun's corona which was aimed in our direction around the 20th of the month. There were also a couple of sunspots which appeared on the 22nd. This would also contribute to maintaining the increase. Both speed and temperature have been declining since they peaked but the effects of another coronal hole on the 24th could the the cause of the jump you noticed today.
www.swpc.noaa.gov...
The peak on the 25th was not particularly impressive, reaching speeds of only about 500 km/s. A really good blast from a coronal hole can get as high 800 km/s. A CME (coronal mass ejection) can produce velocities of over 1,500 km/s. This was just a little burp. But there is not much agreement on the relationship between the velocity of the solar wind and geomagnetic storms which are caused by interactions of various factors within the solar wind and the Earth's magnetic field. It takes more than a fast solar wind to produce a magnetic storm.
www.spacew.com...
So while we are our way toward the next maximum, what we are seeing right now is really no big deal. The current cycle is predicted to peak in may of 2013 and is predicted to have less activity than average. But as yet there is no way to predict the intensity of that activity. It could be relatively quiet or it could be bad.
science.nasa.gov...
Originally posted by booda
When the solar particles hit the magnestosphere and redirect to the pole prodiucing the aurora borealis. Is this a constant thing that happens or only when the sunspots appear and then release the solar flare....