How Big Is a Supernova?

Answer

A supernova is said to be greater than an atomic bomb. Once a supernova occurs, there is enough energy remaining to run an entire galaxy.
Q&A Related to "How Big Is a Supernova"
Currently the expanding cloud from the supernova remnant is about 10 light years across.
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A supernova can be any size! There are some that are 150 times larger than our sun and some
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A supernova is the explosion of a star that has a huge mass many times bigger than our sun. It marks the final stages of a stars life and this explosion creates heavy elements such
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The supernova would result in a neutron star. A neutron star is very dense; so dense that a teaspoonful of it weighs over a billion tons. To our knowledge, some neutron stars spin
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1 Additional Answer
A supernova, when it explodes, is capable of outshining a whole galaxy. Supernovas happen when a star is close to death. When they explode they leave many particles of gas that create new stars. You can find more information here: http://library.thinkquest.org/C004580/anomalies/snova.html
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