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The near Earth
region is very important, because many satellites are
positioned in this area. They can be very vulnerable to long,
high radiation levels.
So, what we are seeing is what happens when a interplanetary shock
comes and hits the magnetosphere.
Interplanetary shock came from the sun, and it compressed the magnetosphere,
and that compression brought these particles
much inwards. So, these particles are very energetic, and they are
then put in a place where they are not usually seen.
When this happens, the particle intensity
goes up and stays high, which can be very harmful to
satellites in that region, and we need to learn
and understand the processes that create these high levels of radiation
so that we can better design the spacecraft
to avoid any bad effects from the radiation.
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