Sun

SI Units
Earth Relative
Radius (Equatorial)
6.955 x 108 m
109 x Earth
Mass
2 x 1030 kg
333,000 x Earth
Temperature Surface
5,800 K (5,500 °C)
Age
4.5 x 109 years (middle aged)
Temperature Core
~ 15,700,000 K ( ~ °C)
Temperature Corona
~ 1,000,000 K ( ~ °C)
Gravity
27.94 ms-2
28 g
Escape Velocity
617,700 ms-1
Distance from Earth (Semi-Major)
1.496 x 1011 m
1 AU, 8.3 minutes at light speed
Distance from Milky Way Centre
~ 2.5 x 1020 m
(26,000 light years)
Orbital Period / Galactic Period
240,000,000 years
Rotational Period Equator
26 days
Rotational Period Poles
34 days
Composition
73% hydrogen, 25% helium
Missions
SOHO, Hinode

SI Units
Earth Relative
Radius (Equatorial)
6.955 x 108 m
109 x Earth
Mass
2 x 1030 kg
333,000 x Earth
Temperature Surface
5,800 K (5,500 °C)
Age
4.5 x 109 years (middle aged)
Temperature Core
~ 15,700,000 K ( ~ °C)
Temperature Corona
~ 1,000,000 K ( ~ °C)
Gravity
27.94 ms-2
28 g
Escape Velocity
617,700 ms-1
Distance from Earth (Semi-Major)
1.496 x 1011 m
1 AU, 8.3 minutes at light speed
Distance from Milky Way Centre
~ 2.5 x 1020 m
(26,000 light years)
Orbital Period / Galactic Period
240,000,000 years
Rotational Period Equator
26 days
Rotational Period Poles
34 days
Composition
73% hydrogen, 25% helium
Missions
SOHO, Hinode

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