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Originally posted by Free4Ever2
please no arguing on this thread, this thread is for knowledge, not bickering
The Bow Shock in front of a planetary magnetosphere, or other magnetic object in the solar wind, is very similar to the bow wave of a boat as the bow of the ship passes through the water. It is similar to the wave in front of a rock in a stream. A plane traveling at supersonic speeds also produces a bow shock in the air in front of the plane, while it is flying. The bow shock helps force the solar wind to go around the magnetosphere or ionosphere. Source
A planetary magnetosphere is different from an ordinary dipole. The force of the solar wind, coming from the sun stretches the dipole and creates a nose region in the front of the magnetosphere (facing the sun), and a tail region in the back called a magnetotail. If it weren't for the solar wind, the field lines of the planetary magnetic field would extend into infinity. But because the solar wind and IMF press upon a planet's magnetic field, and enclose it, the magnetic field is contained within a "cavity" called the magnetosphere. This magnetosphere naturally has a boundary and that boundary is called the magnetopause. The magnetopause can be considered to be the end of a planet's region of influence. source
Originally posted by SonicInfinity
reply to post by Trunkeight
Then if a fool is made of me, it will be an experience I will learn from and adapt to; otherwise, until I've had the experience, I'm going to stick to it. Not once so far in my life have any of these doomsday threads on the Internet been correct, so until one is, I will respond in the same manner I respond to every doomsday thread.
I guess you have a point about me targeting questioningall, though. It's not just her making these doomsday threads, but she just seems to be the most prominent one here on ATS. You can't deny that.
Prepared jointly by the U.S. Dept. of Commerce, NOAA,
Space Weather Prediction Center and the U.S. Air Force.
Updated 2009 Jul 07 2201 UTC
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 188 Issued at 2200Z on 07 Jul 2009
IA. Analysis of Solar Active Regions and Activity from 06/2100Z
to 07/2100Z: Solar activity was very low. No x-ray flares were
observed during the past 24 hours. Region 1024 (S27W39) continued
to decay and activity from the region was significantly reduced.
The remainder of the disk was quiet and stable.
IB. Solar Activity Forecast: Solar activity is expected to remain
very low with a slight chance for an isolated C-flare from Region
The NOAA Space Weather Scales were introduced as a way to communicate to the general public the current and future space weather conditions and their possible effects on people and systems. Many of the SWPC products describe the space environment, but few have described the effects that can be experienced as the result of environmental disturbances. These scales will be useful to users of our products and those who are interested in space weather effects. The scales describe the environmental disturbances for three event types: geomagnetic storms, solar radiation storms, and radio blackouts. The scales have numbered levels, analogous to hurricanes, tornadoes, and earthquakes that convey severity. They list possible effects at each level. They also show how often such events happen, and give a measure of the intensity of the physical causes.