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staedtler staedtler
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7 years ago
Evidence obtained over the last few years indicates that quasars are most probably
A)   the remnant cores of exploding stars or supernovae.
B)   the focused image of a distant galaxy by the gravitational lens effect of a closer galaxy.
C)   evidence of very intense star-building activity in certain distant dust and gas clouds.
D)   the central nuclei of very distant, very active galaxies.
Textbook 
Discovering the Universe

Discovering the Universe


Edition: 7th
Authors:
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discovererdiscoverer
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7 years ago
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staedtler Author
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7 years ago
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