Cosmic Phenomena: Supernovas
     The second subject that will be explored is Supernovas. A Supernova is the final chapter in the story of a star. Astronomers have recently observed a supernova named SN1987A, or Sanduleak, known by a catalog astronomer Nicholas Sanduleak compiled.
Supernova SN1987A





Supernova 1987A







A Supernova occurs after a star has fused all of its hydrogen into helium. It then goes through a series of compactions and fusions of different elements until it finally can not contain the density of its core and explodes. For a more detailed and interesting explanation, please click on the Supernova Animation below.

click here for the supernova animation
click on image above for the supernova animation

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