okay so if the event horizon telescope is earth-sized

what if we built one solar system sized

stuck radio telescopes out in the oort cloud

@izaya I've thought about this too. I don't see a reason why not except that positioning seems like it'd be a wickedly hard problem. think about how long it took to align all the jwst optics, and they had rigid structure to rely on.

@2ck I figure if you have atomic clocks and active radar responder ranging you could probably calculate the correct transforms on the data, it's not like the existing EHT was designed to be a specific shape, it's just a network of a whole bunch of telescopes in different places

but it would be a very involved job for sure
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@izaya I can't tell you that wouldn't work, but I remember someone much more knowledgeable than me at NASA was looking at using stars for positioning outside of earth orbit because atomic clocks weren't enough

@2ck Oooh, you might be able to use pulsars for timing or something neat like that
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