The Chandra X-Ray Telescope Must Use

question 21

Multiple Choice

The Chandra X-ray telescope 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 film instead of CCDs for imaging.
• E) a Schmidt corrector plate to avoid spherical aberration.

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