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staedtler staedtler
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7 years ago
The main source of cosmic rays, the high-energy atomic nuclei that strike the Earth's atmosphere from interstellar space, is believed to be
A)   rotating, magnetized neutron stars.
B)   matter from accretion disks surrounding neutron stars and black holes.
C)   acceleration of nuclei by neutrinos during supernova explosions.
D)   supernova debris colliding with interstellar material.
Textbook 
Discovering the Universe

Discovering the Universe


Edition: 7th
Authors:
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papachulopapachulo
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7 years ago
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staedtler Author
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6 years ago
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