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The Sun in STEREOK. Murawski www.kmur.pl
Department of Astrophysics, UMCS
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InInside side the Sunthe Sun
• The Core– nuclear fusion
• Radiative Zone– ubiquity of photons
• Convective Zone:– hot plasma rises
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Temperature on the Sun
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As The Sun TurnsAs The Sun Turns
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A A ddifferentifferential rotationial rotation
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Rotation Inside The SunRotation Inside The Sun
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The Sun’s Magnetic PersonalityThe Sun’s Magnetic Personality
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Magnetic Fields And SunspotsMagnetic Fields And Sunspots
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Flash In The SunFlash In The Sun
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Magnetic LoopsMagnetic Loops
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The Stormy The Stormy SunSun
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Launched on October 25, 2006
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STEREO in space
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Solar EclipseSolar Eclipse
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The Sun in ultraviolet light shows prominences, sliding plasma and tiny spikes darting up just above the Sun’ssurface, seen best along its edge
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The erupting prominence seen in UV light
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The Sun in just one wavelength of UV light
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A 3D composite of the Sun in UV light: the brighter areas are active regions; darker areas are coronal holes
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The Sun in one wavelength of UV light:the brighter loops above an active region
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Solar magnetic fieldSolar magnetic field
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A 3D composite of the Sun in UV light:the brighter areas are active regions: darker
areas are coronal holes
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A 3D composite of the Sun in UV light:the active region with curved magnetic field lines
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The Sun in one wavelength of UV light:the eruptive prominence on the upper right
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The Sun in one wavelength of UV light:the bright loops above an active region.
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• Consists of different layers (onion-like structure)– hot core – nuclear fusion– radiative zone – many photons– convective zone - hot plasma rising– atmosphere (photosphere, chromosphere,
corona)• The Sun’s peculiar rotation• Magnetic seasons of the Sun
The SunThe Sun is mistic is mistic