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Astronomical Optics
Terms
  • astronomical mirror Generally, a mirror used instead of lenses in astronomical and space applications. It is not limited in size, does not absorb UV or IR radiation, and is usually made aspheric to reduce aberrations. However, a spherical mirror can be used if it is...
  • astronomical telescope An instrument used to observe celestial bodies. Larger astronomical telescopes use mirrors instead of refracting lenses.
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