Why is an image recorded with a CCD better for astronomers than an image recorded on photographic film or plates?
A) CCD's are more efficient; more of the light is recorded and not wasted
B) CCD's allow more accurate measurements of the brightness of each part of the image
C) CCD's have digital output that can go directly to a computer
D) all of the above
E) none of the above

Question

Quizplus · Accepted Answer

CCD's are more efficient in recording light, allowing more accurate measurements of brightness and have digital output that is easier to transfer and analyze on a computer. Therefore, all of the above options are correct.

Why Is an Image Recorded with a CCD Better for Astronomers