| B. Helicity & CMEs |
| Solar
eruptions come from twisted magnetic fields |
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| Relevance: Quest I, Campaign 2 – The effects
of solar |
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| variability on the solar atmosphere and heliosphere |
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| The
story behind the headline: |
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| • | Twisted
magnetic flux tubes emerge to form solar filaments |
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| • | Twist
related to CMEs |
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| • | Twisted
coronal structures (sigmoids) observed correlated with |
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| eruptions |
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| • | Earth-directed
(halo) CMEs relate to disturbances at Earth |
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| • | Filament
cavities è flux rope at 1 AU |
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| • | Filament
cavities might arise from streamers è STEREO |
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