Sun Reference Data

Diameter: 1.4 million km
(870,000 miles)
Age: 4.5 billion years

Mass: 330,000 x Earth Distance from Earth: 149.6 million km (93 million miles)

Density: 1.41 (water=1) Distance to Nearest Star: 4.3 light years

Solar Wind Speed: 3 million km/hr. Luminosity: 390 billion billion megawatts

Solar Cycle: 8 - 11 years Temperature at surface: 5,500^o C (9,932^o F)

Temperature at Core: 14 million^o C (22.5 million^o F) Temperature of Sunspots: 4,000^o C (7,232^o F)

Rotation Period at Equator: 25 Earth days Rotation Period at Poles: 35 Earth days

Diameter:	1.4 million km (870,000 miles)		Age:	4.5 billion years
Mass:	330,000 x Earth	Distance from Earth:	149.6 million km (93 million miles)
Density:	1.41 (water=1)	Distance to Nearest Star:	4.3 light years
Solar Wind Speed:	3 million km/hr.	Luminosity:	390 billion billion megawatts
Solar Cycle:	8 - 11 years	Temperature at surface:	5,500^o C (9,932^o F)
Temperature at Core:	14 million^o C (22.5 million^o F)	Temperature of Sunspots:	4,000^o C (7,232^o F)
Rotation Period at Equator:	25 Earth days	Rotation Period at Poles:	35 Earth days

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