Generator
The distance-ladder generator
The distance ladder, and its overlaps
The reach of each distance technique on a logarithmic scale in parsecs. Each rung is calibrated where it overlaps the one below it, so an error low on the ladder propagates all the way to the top.
1 essay calls
distance-ladder. The drawing above is what it returns with no arguments at all; every
call below passes it something, because a placement that passes nothing draws whichever member
of the family the generator happens to default to rather than the one its essay argues about.
Where it is called
Every figure listed here is the same construction drawn at different numbers, so a correction to one is a correction to all of them.
