The universe is vast and filled with wonders that are beyond human comprehension. The stars that light up the sky have captivated our imagination for centuries. But have you ever wondered what would happen if a star exploded near Earth? In this article, we will explore this topic and provide you with detailed information. What is a Supernova? A supernova is a powerful and luminous explosion that occurs when a star exhausts its nuclear fuel and collapses . This event releases an enormous amount of energy, which can be as much as the energy emitted by an entire galaxy. If a Supernova Occurs Near Earth: If a supernova occurred near Earth, it would have a catastrophic impact on our planet. The radiation released by the explosion would strip away our ozone layer, exposing us to harmful UV radiation from the sun. This would increase the risk of skin cancer and other health problems. In addition to the radiation, the explosion would release a massive amount of energy in light and heat. Thi