Some physical facts about sun:
Equatorial surface gravity: 274 m/s2; 28 × Earth
Luminosity (Lsol): 3.828×1026 W; ≈ 3.75×1028 lm; ≈ 98 lm/W efficacy
Age: ≈ 4.6 billion years
Center density (modeled): 162.2 g/cm3; 12.4 × Earth
Intresting fact about sun.
The Sun is by far the largest object in the solar system. It contains more than 99.8% of the total mass of the Solar System.
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