Sun

The Sun (aka Sol) is an average yellow dwarf star about 8 kpc from the center of the Milky Way galaxy. The third planet orbiting the Sun is Earth, which makes the Sun fairly important to humanity.

Physical Characteristics

Radius = 6.96E8 m Mass = 1.9891E30 kg GM = 1.3271244E20 m³/s² Density = 1.41E3 kg/m³ Core = 1.56E5 kg/m³ Temperature = 5778 K (blackbody) Central = 1.58E7 K Average = 7.88E6 K Corona > 1E6 K (varies)	Distance from galactic core ≅ 2.5E20 m Distance from Earth = 1.4959787E11 m Escape velocity = 617.6 km/s Luminosity = 3.846E26 W Mean molar mass = 0.638 g/mol Gravitational binding energy = 6.1E41 J Pressure (volumetric mean) = 1.4E14 Pa Central = 2.4E16 Pa

Notes and References

• Guenther, D.B., Demarque, P. "Solar Model 1996"
• Williams, David R. "Sun Fact Sheet"