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2 votes

What is stopping Event Horizon Telescope the size of the Earth’s orbit?

Adding to Uhoh's answer, while having telescopes very far part helps with angular resolution, its the total telescope area that determines the total flux you can detect. So having a few small ...
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1 vote

What is stopping Event Horizon Telescope the size of the Earth’s orbit?

Partial answer pre-coffee: Your first link Extremely long baseline interferometry with Origins Space Telescope is indeed very interesting! Operating 1.5 million km from Earth at the Sun-Earth L2 ...
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2 votes

In terms of results, how similar is a bunch of telescopes across the globe to an Earth-sized telescope?

Aside from trying to phase-sync optical scopes across such large distances, the problem is one of spatial frequency filtering. If you look thru any decent book on optics (I highly recommend Smith's ...
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2 votes

In terms of results, how similar is a bunch of telescopes across the globe to an Earth-sized telescope?

In regards of resolution a virtual telescope acts identical to a normal telescope: size matters: More accurately, the optic's diameter $D$ and the wavelength $\lambda$ determine the resolution or ...
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