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CME
core: optically thick at all FASR
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frequencies,
but can be imaged only at higher
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frequencies
because of the low brightness
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temperature
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CME
frontal: can be easily observed in
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meterwaves
if the nonthermal emission is not too
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strong.
In microwaves behind-the-limb high
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density
CMEs can be imaged.
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Nonthermal
emission from electrons trapped in
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CME
substructures can be a good source of
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information
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Filaments
& filament Cavities on the disk à CME
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source
regions
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