![[Against the dark backdrop of a few stars is a translucent sphere with a slight orange glow at the bottom left.]](https://blogs.iu.edu/sciu/files/2021/09/ctb1cgpsvlaorig.jpg)
Are ghosts real? Spooky figures in a haunted house, maybe not. But if you’re looking for energy left behind after death, you may want to turn your gaze to the stars. Stars may not be conventionally “alive,” but they do have a lifecycle and part of that lifecycle includes death. In rare cases, that death releases a spectacular amount of energy in a supernova explosion…