Recognised as Star
The Sun
- Star
- 27.92× Earth gravity
The Sun is a star with a mean radius of 695,700 km and a surface gravity of 274.21 m/s², which is 27.92× Earth's, so a 70 kg person would weigh 1,954.6 kg there. Escape velocity is 617.69 km/s. It is rotation is differential; the figure is the equatorial period.
Physical properties
Mass1,988,500 × 10²⁴ kg≈measured
Mean radius695,700 km≈
Circumference4,371,212 km
Surface area6,082,104,402,130 km²
Volume1,410,440,010.854 × 10⁹ km³one cubic kilometre is 10⁹ cubic metres
Mean density1,410 kg/m³water is 1,000 kg/m³
Gravity and escape
Surface gravity274.213 m/s²27.922× Earth's
Escape velocity617.689 km/sthe speed needed to leave without further propulsion
A 70 kg person would weigh1,954.6 kg-forcemass is unchanged; only the weight differs
A 1 kg mass would weigh274.213 newtons
Fall in 1 second137.106 mfrom rest, ignoring any atmosphere
Rotation and orbit
Day length (sidereal)25.38 Earth days
KindStar
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