General Knowledge!

[MrMxyzptlk]

Seems like we're all discombobulated on this one, so I'm gonna take an educated guess*: 1 degree.




* Perhaps that's exactly WHY they made one degree, one degree!  It's the limit of human vision!

[jim360]

one degree is rather too large - not telling you by how much though .

Just so as you know - the two sides of the moon are 1/2 a degree apart. So it's even smaller than that.

[BFM_Crimson]

One Sixty-Fourth of a Degree?

[jim360]

Close. A bit too small.

[BFM_Kiwi]

One sixty-third of a degree

[jim360]

...

[BFM_Xtr3me]

so its a guessing game.. hmmm
im gonna say 0.2 degrees

[BFM_Kiwi]

1/60th  - an arcminute (I think)

1/50th - a relatively round number

[jim360]

Didn't realise that it was such an obscure fact.

Anyway it's about 1 arcminute as Kiwi said. That means that over a distance of 1 kilometre most of us can distinguish objects that are 30 centimetres apart.

[MrMxyzptlk]

Didn't realise that it was such an obscure fact.

Anyway it's about 1 arcminute as Kiwi said. That means that over a distance of 1 kilometre most of us can distinguish objects that are 30 centimetres apart.

Wow!  Kewl!


... What's that in miles and inches?




 

[jim360]

Two objects a mile away are only just distinguishable if they are at least 18 inches apart, though for some people they may need to be as many as 40 inches apart. It depends on how good your eyes are.

I can work with both systems.

[BFM_Edison]

What's that in AUs?

[jim360]

Quiet you.

[MrMxyzptlk]

What's that in AUs?

At a distance of 6.68458134 × 10^-9 AU a normal human can distinguish two objects 3.05619059 × 10^-12 AU apart....

I can work in other systems, too.... 

[BFM_Edison]

What about when some of the objects are moving at speeds nearing the speed of light?