Description : “In 5 billion years, the Sun will run out of fuel and turn into a Red Giant and swallow the Earth!”
Last Answer : The Sun is a star, and like all stars, has a life cycle. Our sun is currently 4.5 billion years old, and is in the middle of its life. In about five billion years, the sun will have used up all ... time, the sun will be about 10 per cent hotter than it is now, and vaporise all the water on Earth.