what are three physical properties of the sun?
['Mass: 1.98892 x 1030 kg.', 'Diameter: 1,391,000 kilometers.', 'Radius: 695,500 km.', 'Surface gravity of the Sun: 27.94 g.', 'Volume of the Sun: 1.412 x 1018 km3', 'Density of the Sun: 1.622 x 105 kg/m3']