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Space Weather, structure on the Sun, Earth's Magnetosphere, Solar Wind…
Space Weather
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-defined as a region in outer space surrounding
Earth where the magnetic field
-combination of Earth's magnetic field
-protect Earth from the adverse effects
-carries the interplanetary magnetic field along with it
-speed is supersonic with values ranging from 250km s-1 to 750kms-1
-the speed, temperature and density changes along the course of its movement
disturbances of telecommunication, navigation system, electric powerlines
structure on the Sun
Corona
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- release of plasma and accompanying magnetic field from the solar corona
- magnetized plasma consisting primarily of electrons and protons
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- dark regions seen on the surface - locations of large eruption
- appear as grainy structures - cells of plasma
- 0.2-0.25 of solar radius - hottest part of the Sun
convection zone
- energy transport by convection - mass movement of plasma in forms of circular convection current
Solar flares
- strong and spectacular explosions of gases
- attain maximum brightness within a few seconds or minutes
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- sphere of colour - 3000 to 5000kilometers deep
- energy transported by radiation and conduction
- energy travels in the form
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