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by Thorondor
3592 days ago
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Technically, 1.22λ/D is the angle for the first dark circular ring of the Airy disc (first zero of the relevant first-order Bessel function [0]). But you are still right that the host star needs to be blocked out in some way to produce a useful image. I think NASA is working on some ways to do this, see [1]. [0] https://oeis.org/A245461 [1] https://exoplanets.nasa.gov/resources/1015/ |
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