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Tsync Tsync
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Posts: 3450
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8 years ago
The iron we commonly find in our surroundings came from:
A) planetary nebulae.
B) the iron core of a massive star which exploded as a type I supernova.
C) decay of nickel 56 and cobalt 56 in a supernova remnant.
D) jets ejected by a rapidly spinning pulsar.
E) material ejected by a nova explosion.
Textbook 
Astronomy Today

Astronomy Today


Edition: 8th
Authors:
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Minoring in physics
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RatatouilleRatatouille
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8 years ago
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Tsync Author
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8 years ago
You answered my question so timely, I really value that, thank you
Minoring in physics
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8 years ago
Cool Smiling Face with Open Mouth
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