Which kind of telescope and which instrument or technique are shown
A)optical, CCD
B)infrared, array detector
C)optical, adaptive optics
D)radio, interferometry

Question

Which kind of telescope and which instrument or technique are shown 
A)optical, CCD 
B)infrared, array detector 
C)optical, adaptive optics 
D)radio, interferometry

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The Answer of Which kind of telescope and which instrument or technique are shown 
A)optical, CCD 
B)infrared, array detector 
C)optical, adaptive optics 
D)radio, interferometry

Which Kind of Telescope and Which Instrument or Technique Are