Our+Star+the+Sun

The star of the Earth, the Sun. The sun is a medim size star. It may look big but in reality it is average star. The relative temperature of the sun is 5505 °C . As the sun is really old about 4.5 Billion years! The light the Sun gives off reachs Earth in about 8 minutes and 20 seconds. The Sun is our source for heat and light. The basic reason why we are still living!