Betelgeuse
The left upper star in Orion that is ready to explode. It’s in the process of doing just that and is a giant red star. It has a shell of gas and debris going out from it and will do it again and again till it does the final blowup. 
The left upper star in Orion that is ready to explode. It’s in the process of doing just that and is a giant red star. It has a shell of gas and debris going out from it and will do it again and again till it does the final blowup. 