The Saturn Nebula (Picture of the Day)

NGC 7009: The Saturn Nebula
The Saturn Nebula is a planetary nebula in the constellation of Aquarius. The nebula was a low mass star which transformed into a bright white dwarf. It is about 0.8 light years in diameter.The distance of the star from Earth is suspected to be between 2,000 light years and 4,000 light years as there are no reference stars in the neighbourhood to be definite. The temperature of the star in the center is about 55,000K which is 10 times the surface temperature of our Sun.




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