The Sun is an important source of gravity and energy, but one day it will lead to the demise of Earth. When the central star of the Solar System ages, its life cycle will eventually engulf our planet. This will happen in a few billion years. However, life on Earth may disappear much earlier. Humanity may face extinction in the next few centuries if the current rates of anthropogenic climate change are not slowed down. Our civilization may also vanish due to nuclear war. What the last days of Earth might be like, according to the Live Science. What will be the death of the Sun “Earth has, proba…