What is the temperature and diameter of supernova?
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temperature of a supernova
1,000,000,000 degrees Celsius
This energy is eventually released in a powerful explosion called a supernova. A supernova can light the sky up for weeks. The temperature in a supernova can reach 1,000,000,000 degrees Celsius.
diameter of a supernova
about 85 light-years
At about 85 light-years in diameter, it occupies a region of the sky in the southern constellation of Circinus that is slightly larger than the full moon. This image was compiled in October 2011.
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