12. 30-1-2010 1.Core 2.Radiactive Zone 3.Convective Zone 4.Photosphere 5.Chromosphere 6.Corona 7.Sunspot 8.Granules 9.Prominence
13. 30-1-2010 Sun’s Physical Characteristics Diameter 1.392 x 10 6 Km Surface Area 6.0877 x 10 12 km 2 Volume 1.412 x 10 18 km 3 Mass 1.9891 x 10 30 kg Density 1.408 x 10 3 kg/cm 3 Escape Velocity 617.7 km/s Energy Releasing 3.83 x 10 26 Joules/second Temperature at centre 29 Million 0 F Surface Temperature 9300 0 F