Thursday, November 7, 2013

I thought that I would post some facts about our nearest star.

Mean Distance from Earth - 1.496 X 10^8 km / 92,946,000 mi
At the speed of light - 8 min 19s
Visual Brightness - -26.74 (Compare to Sirius @ -1.46)
Mean Diameter - 1.392684 X 10^6 km / 865,413 mi
Equatorial Circumference - 4.379 X 10^6 km / 109 X Earth
Volume - 1.412 X 10^18 km^3 / 1,300,000 X Earth
Mass - 1.9891 X 10^30 kg / 333,000 X Earth
Temperature Photosphere - 5,778 K / 5,504 °C / 9,941 °F
Sidereal Rotation @ Equator - 25.05 Days
                            @ Poles - 34.4 Days
Composition - Hydrogen   73.46%
                       Helium       24.85%
                       Oxygen      0.77%
                       Carbon       0.29%
                       Neon          0.12%
                       Nitrogen     0.09%
                       Silicon         0.07%
                       Magnesium  0.05%
                       Sulfur           0.04%


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