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06-September-2005, 11:58 PM
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Supernova in Galaxy NGC 1559
SUMMARY: On the night of August 4, 2005, legendary amateur astronomer Reverend Robert Evans discovered a supernova just north of galaxy NGC 1559. In the days that followed, astronomers classified it as a Type 1A supernova, the kind created when a white dwarf constantly pulls material from a larger stellar partner; eventually it can't hold any more and explodes as a supernova. These kinds of supernovae explode with a set amount of energy, so astronomers can use them to measure distance to galaxies.
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