Questions tagged [james-webb-space-telescope]

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How does NASA's ASTHROS stratospheric telescope compare to its James Webb space telescope?

In Space SE I've asked Would it have been cheaper and faster to put a James Webb-like Space Telescope on a balloon instead of a rocket? I linked there to a few news items: CNET: NASA to send stadium-...
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How will microshutter arrays be used in the James Webb and future space telescopes?

Question: How will microshutter arrays be used in the James Webb and future space telescopes? Are they acting as a sort of moving pinhole or slit, or is the pattern more complicated, like a coded ...