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Astronomy Topic: Solar System

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sohonascom.nasa/

http://sohowww.nascom.nasa.gov/. http://sohowww.nascom.nasa.gov/. Glover et al., esa bulletin 114-May 2003, p.28. F. Jansen, R. Hippler, Space Weather Edition II CD, Univ. Greifswald, Inst. Of Phys., Germany. http://www.gsfc.nasa.gov/gsfc/spacesci/sunearth/solarmaxpics.htm.

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Threat of Sunshine

The Dangers of Solar Storms and Solar Cycles. Threat of Sunshine. The Sun. Radius = 696,000 km Mass = 2E30 kg Luminosity = 3.8E26 W Rotation Rate 25 days at the equator and 30 days at the poles Surface Temp 5,800 K average, 4,000 K sunspots (Ref 1). The Sun: Fusion.

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