The Sun’s stats Distance:1 AU=150 million km Distance:1 AU=150 million km Radius: 700,000 km (109 R e ) Radius: 700,000 km (109 R e ) Mass: 2 x 10 30 kg (330,000 M e ) Mass: 2 x 10 30 kg (330,000 M e ) Average density:1.4 kg/litre Average density:1.4 kg/litre Surface temperature:5,800 K Surface temperature:5,800 K Luminosity:3.9 x 10 26 watts (joule/sec) Luminosity:3.9 x 10 26 watts (joule/sec)