The Sun is the most prominent feature in our Solar System. It is the largest object and contains approximately 98% of the total solar system mass. One hundred and nine Earths would be required to fit across the Sun's disk, and its interior could hold over 1.3 million Earths. Full 3D environment Photo-realistic colourful graphics Relaxing space music Digital Clock Digital Clock FPS counter Hear the call of the universe. Great variety of fascinating space scenes. Put the ultimate source of light and heat in our Solar System on your desktop.