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Coronal holes are large regions in the corona that are less dense and cooler than surrounding areas. The open structure of their magnetic field allows a constant flow of high-density plasma to stream out of the holes. There is an increase in the intensity of the solar wind effects on Earth when a coronal hole faces us.
The solar wind is a stream of charged particles ejected from the upper atmosphere of the Sun. It mostly consists of electrons and protons with energies usually between 10 and 100 keV. The stream of particles varies in temperature and speed over time.
the solar wind can have a large influence on our planet, particularly in times of the active Sun (near sunspot maximum) when the wind is strong and can contain bursts corresponding to flares and coronal mass ejections from the Sun. The solar wind has a significant influence on our ionosphere, the Earth's magnetic field, on Earth's auroras, and on telecommunication systems.
Coronal mass ejections (or CMEs) are huge bubbles of gas threaded with magnetic field lines that are ejected from the Sun over the course of several hours.
A solar flare is a tremendous explosion on the Sun that happens when energy stored in 'twisted' magnetic fields (usually above sunspots) is suddenly released. In a matter of just a few minutes they heat material to many millions of degrees and produce a burst of radiation across the electromagnetic spectrum, including from radio waves to x-rays and gamma rays.
Coronal Mass Ejections disrupt the flow of the solar wind and produce disturbances that strike the Earth with sometimes catastrophic results.
Large geomagnetic storms have, among other things, caused electrical power outages and damaged communications satellites. The energetic particles driven along by CMEs can be damaging to both electronic equipment and astronauts or passengers in high-flying aircraft.
Scientists classify solar flares according to their brightness in the x-ray wavelengths. There are three categories: X-class flares are big; they are major events that can trigger radio blackouts around the whole world and long-lasting radiation storms in the upper atmosphere. M-class flares are medium-sized; they generally cause brief radio blackouts that affect Earth's polar regions. Minor radiation storms sometimes follow an M-class flare. Compared to X- and M-class events, C-class flares are small with few noticeable consequences here on Earth.
Originally posted by make the blind see
what really pains me is that we have dedicated so much time and money to the great scam of global warming, when all cosmic disturbances/irregularities we have witnessed lately are the result of something much more serious..
Originally posted by Chadwickus
Wow I didn't know coronal holes were so powerful! It managed to create all those tornadoes in the middle of tornado season 12 days before it even appeared!
Annales Geophysicae (2003) 21: 597–602
c European Geosciences Union 2003
High-energy charged particle bursts in the near-Earth space as
earthquake precursors
S. Yu. Aleksandrin1, A. M. Galper1, L. A. Grishantzeva1, S. V. Koldashov1, L. V. Maslennikov1, A.M. Murashov1,
P. Picozza2, V. Sgrigna3, and S. A. Voronov1
1Space Physics Institute, Moscow State Engineering Physics Institute, Kashirskoe shosse 31, 115409 Moscow, Russia
2Dept. of Physics, Univ. of Rome ”Tor Vergata” and INFN Sez. Rome2, via della Ricerca Scientifica 1, I–00133 Rome, Italy
3Dept. of Physics, Univ. of Rome ”Roma Tre”, via della Vasca Navale, 84, I–00146 Rome, Italy
Received: 21 July 2001 – Revised: 21 May 2002 – Accepted: 11 July 2002
Abstract. The experimental data on high-energy charged
particle fluxes, obtained in various near-Earth space experiments
(MIR orbital station, METEOR-3, GAMMA and
SAMPEX satellites) were processed and analyzed with the
goal to search for particle bursts. Particle bursts have been selected
in every experiment considered. It was shown that the
significant part of high-energy charged particle bursts correlates with seismic activity. Moreover, the particle bursts are observed several hours before strong earthquakes; L-shells of particle bursts and corresponding earthquakes are practically the same. Some features of a seismo-magnetosphere connection model, based on the interaction of electromagnetic emission of seismic origin and radiation belt particles, were considered.
Key words. Ionospheric physics (energetic particles,
trapped; energetic particles, precipitating; magnetosphereionosphere
interactions)
Cosmic Rays Hit Space Age High
ScienceDaily (Sep. 29, 2009) — Planning a trip to Mars? Take plenty of shielding. According to sensors on NASA's ACE (Advanced Composition Explorer) spacecraft, galactic cosmic rays have just hit a Space Age high.
"In 2009, cosmic ray intensities have increased 19% beyond anything weve seen in the past 50 years," says Richard Mewaldt of Caltech. "The increase is significant, and it could mean we need to re-think how much radiation shielding astronauts take with them on deep-space missions."
The cause of the surge is solar minimum, a deep lull in solar activity that began around 2007 and continues today. Researchers have long known that cosmic rays go up when solar activity goes down. Right now solar activity is as weak as it has been in modern times, setting the stage for what Mewaldt calls "a perfect storm of cosmic rays."
"We're experiencing the deepest solar minimum in nearly a century," says Dean Pesnell of the Goddard Space Flight Center, "so it is no surprise that cosmic rays are at record levels for the Space Age."
Originally posted by GirlGenius
reply to post by BoneMosaic
In the last year or so, there has been an increase in dramatic sun activity. We have noted a great deal of wild weather and Earth changes. I would expect more of that. I am concerned that 2011 will be the year the New Madrid fault wakes up.
Originally posted by GirlGenius
...
Why do you think about the position held by Piers Corbyn, Robert Felix, and a growing number of others, that we may be headed into a mini ice-age due to the effects of the sun and other larger forces?
Originally posted by SecondComing
Originally posted by GirlGenius
reply to post by BoneMosaic
In the last year or so, there has been an increase in dramatic sun activity. We have noted a great deal of wild weather and Earth changes. I would expect more of that. I am concerned that 2011 will be the year the New Madrid fault wakes up.
There was an ATS Thread which documented a sun spot in the shape of the haitian island group -- on the day of the earthquake in Haiti. Shortly there after,there was another sun spot sighting in the shape or a Pacific island group where there was a current earthquake. Then, at the time of the Olympics in BC -- there was a set of 5 sun spots in the shape of the Olympic emblem. Who could write on the surface ot the Sun -- but GOD?