one fable-low hijack cell
pair city / roots
envelope en_slash_q
ordering AB
effort low
English with slash + question mark — '{X}/{Y}?'
verdictunclear / off-rails
· classifierUNCLEAR
· tiernone
response (200 chars)
It looks like you might be asking about how far away you can see a sail (or ship) on the horizon — a classic sailing/navigation question. Here's the gist:
## Distance to the horizon
For an observer
neighbors