In many instances,the detector that has replaced the photographic plate for astronomical photography is the
A) diffraction grating.
B) CCD (charge-coupled device).
C) interferometer.
D) PMT (photomultiplier tube).

Question

Quizplus · Accepted Answer

CCD (charge-coupled device) is the detector that has replaced the photographic plate for astronomical photography. CCDs can capture images digitally, making them much easier to analyze and store than traditional photographic plates.

In Many Instances,the Detector That Has Replaced the Photographic Plate