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Stella Cooper——Studied at University of California, Los Angeles (UCLA), Lives in Los Angeles. Passionate about environmental sustainability and currently working for a green energy startup.
The end result of the thermal pulsing from the helium and hydrogen shell burning is a planetary nebula - like this image of the Ring nebula. The remnant carbon core cools and contracts to form a
White Dwarf. The star at the center of the Ring nebula (above) is a
white dwarf.
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