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Home Q & A Board Science-Related Homework Help Physics
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symbo symbo
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7 years ago
A planetary nebula is
A)   a contracting spherical cloud of gas surrounding a newly formed star in which planets are forming.
B)   an expanding gas shell surrounding a hot, burned-out stellar core.
C)   a disk-shaped nebula of dust and gas, photographed around a relatively young star, from which planets will eventually form.
D)   the nebula caused by the supernova explosion of a massive star.
Textbook 
Discovering the Universe

Discovering the Universe


Edition: 7th
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discovererdiscoverer
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7 years ago
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symbo Author
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7 years ago
I appreciate what you did here, answered it right Smiling Face with Open Mouth
Jadakiss
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Yesterday
Thank you, thank you, thank you!
novae
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2 hours ago
This calls for a celebration Person Raising Both Hands in Celebration
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