Index / Space Objects / The Sun
Space Objects
The Sun
G2V main-sequence star · our star
The Sun fuses 600 million tonnes of hydrogen into helium every second. Photons born in the core spend 100,000 years diffusing out through the radiative zone before eight minutes of flight across the vacuum to us.
Key specifications
Diameter
1.392 M km (109 ⊕)
Mass
1.989 × 10³⁰ kg
Distance
1 AU (149.6 M km)
Core temp
~15 M K
Sheet 001 · Plate 1 of 1 · 1:1 infographic
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