Multiple Choice
The Chandra X-ray Observatory must use:
A) a lens of fluorite.
B) grazing incidence optics to focus the short wavelengths.
C) a Newtonian reflecting design to avoid chromatic aberration.
D) X-ray photographic plates instead of CCDs for imaging.
E) a Schmidt corrector plate to avoid spherical aberration.
Correct Answer:
Verified
Correct Answer:
Verified
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