https://nvp-lde225antagonist.c....om/asc-dependent-inf
The mirror area height error and alignment demands for diffraction-limited overall performance are challenging but arguably doable when you look at the coming decades. Due to the fact focal ratio for a diffraction-limited x-ray telescope is very large (f/D∼105), really the only important off-axis aberration is curvature of field, therefore a 1 arc sec area of view is possible with a-flat detector. The sensor must fly in development with all
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