X-ray telescope mirrors are very similar to optical telescope mirrors.

Name: X-ray telescope mirrors are very similar to optical telescope mirrors.
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Quizplus · Accepted Answer

X-ray telescope mirrors are fundamentally different from optical telescope mirrors because X-rays cannot be focused by traditional reflection at shallow angles, unlike visible light. X-ray telescopes use grazing incidence mirrors to focus X-rays, which is a technique that requires the X-rays to hit the mirror at very low angles.

X-Ray Telescope Mirrors Are Very Similar to Optical Telescope Mirrors