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symbo symbo
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Posts: 1970
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7 years ago
A very luminous, starlike object showing a completely featureless continuum spectrum could be a
   A)  gravitational lens.    B)  quasar.    C)  Seyfert galaxy.    D)  BL Lacertae object.
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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