Exoplanet Observatory

91157278

Supernova is the explosion of a star. It is cause by the collapse of the core of a massive star or by a sudden re-ignition of nuclear fusion of a dying star. Supernova is the largest explosion in Space and momentarily outshine its entire Galaxy at its peak brightness. The extreme explosion generate shock waves throughout the surrounding gas and dust and create the expanding supernova remnant. Kes 73 is one of such supernova remnant lies 28,000 light-years away. This explosion occurred around 750 to 2100 years ago. In this composite image, X-ray data is represented by yellow color, Infrared data by light blue color, radio data by pink color and optical data by white color.