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Question:
What is a supernova?



Replies:
Fusion occurs deep within a star and results in tremendous amounts of radiation. The rest of the star is kept from collapsing by the resulting radiation pressure. The fusion stops when all the fusible elements have been used up, then the star collapses in on itself due to its own gravity. Actually there is still some fusible elements left: that is what causes the huge explosion when the star collapses. It all also depends on the original mass of the star. Some supernovas leave behind a neutron star, pulsar, or maybe a black hole.

Hawley


It is the result of an exploding star, especially on that has possibly collapsed and then exploded because it got to too high a pressure. It is now believed that the heavier elements are created in the pressures of an exploding supernova, that is, this is thought to be the only place this happens . This is one reason that gold is fairly rare.

Samuel P Bowen


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