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staedtler staedtler
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7 years ago
What is the source of the X rays emitted by the solar corona?
A)   High-energy electrons spiraling at high speed along the coronal magnetic fields
B)   X rays from the solar photosphere, scattered from ions in the corona
C)   Decaying radioactive nuclei in the hot coronal gases
D)   The extremely high-temperature gas
Textbook 
Discovering the Universe

Discovering the Universe


Edition: 7th
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hyponoticahyponotica
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7 years ago
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staedtler Author
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7 years ago
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