Life on Earth depends on the light and heat from the Sun. While the warmth from the Sun gently warms you on a sunny day, the core of the Sun is a mind-blowing 15 million degrees Celsius ( 27 million degrees Fahrenheit), and the surface is 5500 degrees Celsius ( 10000 degrees Fahrenheit). That's hot […] The post How hot is the Sun? appeared first on Science Experiments for Kids.