L'éruption solaire, solar eruption Aug. 2010 plot to 2012 solar storm?
Post date: Aug 6, 2010 11:03:02 AM
L'éruption solaire provoque des aurores boréales 6-aout-2010
Sun eruptions spit Plasma at Earth
2 days ago
The last solar maximum occurred in 2001. The solar eruption is especially ... Isn't this the plot to 2012?
Une puissante éruption solaire a
causé des aurores boréales -
dans l'hémisphère Nord
Ces éruptions solaires ne causent
généralement aucun dommage à la Terre
mais les scientifiques de la NASA ont
prévu qu'en 2013, le soleil entrera dans
un nouveau cycle qui rendra ces
phénomènes plus dangereux pour la Terre
source: fr.news.yahoo.com
Tsunami solaire : la Terre touchée
dans la nuit du 3 au 4 août Vendredi 6 août
Ces atomes chargés électriquement ont alors parcouru pas moins de 150 millions de kilomètres avant de percuter la Terre
"It's the first major Earth-directed eruption in quite some time," Leon Golub, an astronomer at the Harvard-Smithsonian Center for Astrophysics, said in a statement.
source: news.cnet.com
Reader comment: Sun storm ....
I'm wondering if electrical equipment would be safe if it was turned off while the flare passes over
(assuming this is a big one). If you've ever scene the movie Broken Arrow, there is a bit were JT asks his gang of villains to switch off their gadgets and wait for the EMP from the nuke to pass by. Is this just hollywood crap or would electrics be safer in an inert mode. But then we'd have to know precisely when to switch things off I guess.
Answer:
You are correct in your suspicions, you are indeed describing hollywood crap.
The effect from EMPs and solar phenomena is such that electrical currents are induced in the circuitry of electronics. Whether the devices were on or off wouldn't make any difference; they still have circuitry with conductive wires where a voltage can be induced.
Solar activity usually only effects large things, like the power grid. Thats why they can cause blackouts: by induced current in the grid that causes malfunction. EMPs are stronger and could potentially effect even little things like your cell phone. But the thing to remember is that they destroy electronics by inducing currents that are too high for the circuitry to handle, thusly breaking them. So on/off isn't relevant. source: news.cnet.com/8618
Comment SL:
Wrap sensitive electronic devices in Aluminium
grounded or not, would probably avoid induced
current. Power breaks will happen because of
destroyed Transformators.
International Living with a Star (ILWS) meeting in Bremen, Germany were more than 25 of the world’s most technologically-advanced nations have gathered to deal with an ever increasing activity in the surface of the sun.
NASA forecasts that the solar events will peak around 2013 and is feared to affect our daily life. NASA says that it would affect communications to weather forecasting to financial services—depend on satellites and high-tech electronics.
Aurora photo gallery 2010: spaceweather.com/aurora
Picture by Satellite SDO
SDO: Solar Dynamics Observer NASA
SOURCE: http://sdo.gsfc.nasa.gov
Spacequakes Rumble Near Earth
Rumbles without sound
Auroras rain down
Magnetic fields shake
Beware the spacequake
July 27, 2010: space weather
A spacequake is a temblor in Earth's magnetic field.
It is felt most strongly in Earth orbit, but is not exclusive to space. The effects can reach all the way down to the surface of Earth itself.
"Magnetic reverberations have been detected at ground stations all around the globe, much like seismic detectors measure a large earthquake," says THEMIS principal investigator Vassilis Angelopoulos of UCLA.
It's an apt analogy because "the total energy in a spacequake can rival that of a magnitude 5 or 6 earthquake," according to Evgeny Panov of the Space Research Institute in Austria. Panov is first author of a paper reporting the results in the April 2010 issue of Geophysical Research Letters (GRL).
The surprise is plasma vortices,
huge whirls of magnetized gas as wide as Earth itself, spinning on the verge of the quaking magnetic field. "We believe the vortices can generate substantial electrical currents in the near-Earth environment."
Spacequakes generate currents in the very ground
we walk on. Ground current surges can have profound consequences, in extreme cases bringing down power grids over a wide area.
source: science.nasa.gov
U.S. $100 million to avoid solar storm grid break
NASA scientists warned recently that high-energy electric pulses from the sun could cripple our electrical grid for years, causing billions in damages. In fact, the House is so concerned that the Energy and Commerce committee voted unanimously to approve a bill allocating $100 million to protect the energy grid from this rare but potentially devastating occurrence foxnews.com/scitech
Magnetic Structures
This composite image shows the HMI magnetic field in blue and orange (indicating opposite polarity) aligned with the AIA 171 channel in extreme ultraviolet superimposed over it (May 23, 2010). The juxtaposition is especially effective at showing how the arcs that we observe in UV light emerge from regions of strong magnetic field.