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Earth Sciences 20 Online
OpenStudy (mynameisnemo):

Will Fan And Medal!!!!! Please Help!!!! In your own words, explain the behavior of Earth's magnetic field in the Van Allen Radiation Belt. (5 points)

OpenStudy (mynameisnemo):

@Miss.Rose

OpenStudy (miss.rose):

Okay. Think about it. what do you know about Earth magnetic field?

OpenStudy (mynameisnemo):

They surround the earth and hold things like radioactive waves???

OpenStudy (miss.rose):

okay. good. Now what do you know about the behavior of it?

OpenStudy (mynameisnemo):

I don't. that's why I'm stuck.

OpenStudy (mynameisnemo):

I think maybe I missed it in the lessons but I'm not sure

OpenStudy (miss.rose):

Okay. So if you said that they hold radioactive waves, how does it do that?

OpenStudy (mynameisnemo):

I'm not sure I kinda read that off wikipedia :/ *shames myself deeply*

OpenStudy (mynameisnemo):

https://en.wikipedia.org/wiki/Van_Allen_radiation_belt

OpenStudy (miss.rose):

Okay. then search the internet for the behavior of the earth magnetic field.

OpenStudy (mynameisnemo):

well, the energy fluctuates

OpenStudy (mynameisnemo):

extends from earth's interior to outer space where it meets solar winds

OpenStudy (miss.rose):

Perfect! Now, what do you know about what it does in the Van Allen Radition Belt?

OpenStudy (mynameisnemo):

The magnetosphere is the region above the ionosphere and extends several tens of thousands of kilometers into space, protecting the Earth from the charged particles of the solar wind and cosmic rays that would otherwise strip away the upper atmosphere, including the ozone layer that protects the Earth from harmful ultraviolet radiation.

OpenStudy (mynameisnemo):

I'm not sure

OpenStudy (mynameisnemo):

I thought that was part of the regular magnetic fields

OpenStudy (miss.rose):

That should work. Now change that into your own words, and you are done.

OpenStudy (mynameisnemo):

Inside the magnetosphere is the plasmasphere, a donut-shaped region containing low-energy charged particles, or plasma. This region begins at a height of 60 km, extends up to 3 or 4 Earth radii, and includes the ionosphere. This region rotates with the Earth.[21] There are also two concentric tire-shaped regions, called the Van Allen radiation belts, with high-energy ions (energies from 0.1 to 10 million electron volts (MeV)). The inner belt is 1–2 Earth radii out while the outer belt is at 4–7 Earth radii. The plasmasphere and Van Allen belts have partial overlap, with the extent of overlap varying greatly with solar activity.[22]

OpenStudy (miss.rose):

Take out the 21 and 22 and you should be good. That sounds great! Good luck!

OpenStudy (mynameisnemo):

The magnetic fields and the Van Allen Radiation Belt help protect Earth from solar winds and solar flares, which cause problems with electronics, and are strong enough to harm astronauts and satellites. The magnetic fields fluctuate, and the Van Allen Radiation Belt can have extremely high levels of radiation.

OpenStudy (mynameisnemo):

That's in my own words, and thank you!

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