Computation of astigmatic and trefoil figure errors and misalignments for two-mirror telescopes using nodal-aberration theory
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Biographies of distinguished scientific men. Scientists. THEORY OF THE EYE. 293 camera obscura ; the retina is the ground of the picture, the crystalline replaces the glass lens.* This assimilation, generally
James Webb Telescope:Can the Nobel Prize winner Penrose's theory of the circular universe be true or false? – yqqlm
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