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Inner image: SOHO EIT (Fe XII); Outer image: SOHO UVCS (O VI)

Observations of young, rapidly rotating stars show evidence of
• gas trapped near the co-rotation radius
• high latitude inflows
• dark polar caps or crowns

Is this evidence of the remnants of a T Tauri-like globally-extended magnetosphere that has decayed during the Sun's first 4 Gyr?

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