<snip>
>> Greg, thanks for your feedback.
>>
>> As you have pointed out (and thank you for highlighting my error),
>> _detection_ by no means implies anything further on its own.
>>
>> I'm wondering why you're assuming a given sensor has a single effective
>> range _against all targets of all shapes, sizes, colours, aspects and
>> emission coatings_?  Simplicity at the table?
> Great point, and while furiously typing on my phone I forgot that! ;)
>
> The detection distance is a function of the detectee’s size/emissions and the sensor.
>
> For example you could detect a star at a longer range then you could detect a golf ball. ;)
>
>
>
<snip>

If your golf ball is visually detectable with Mk 1 Eyeball from
multi-(kilo)parsec range, I don't want to be that close!