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>> This is what I'm interested in. Are the lights visible from this
>> distance because they glow? Or would any old object be visible from
>> such a distance? (Assuming it wasn't the middle of the night, obviously.)
>
> Would you still be able to see it if you intentionally blurred your
> vision? Sure, because the blur makes it bigger, not smaller.
And fainter.
> You can see stars that are millions (or more) light years away. That
> doesn't mean you can tell whether it's a binary star or not.
Sure, they're quite far away (!!), but they're also rather large (!!!),
and absurdly bright. ;-)
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