The star I have shown is the brightest type of star, it's name is the Blue Giant.
How a blue supergiant is formed is the hydrogen in the core of a star depletes and burns the shell, and it expands.
Our sun is capable of living for 10-12 BILLION years, but the blue supergiant is only able to live up to about 10 million due to its massive size and brightness.
How the Blue Supergiant dies, the nuclear fuel becomes exhausted and is unable to support the outer layers and eventually allows gravity to take over and the star explodes into oblivion, nothing is left. This event is called Supernova.