Re: Sun-Centered? (was: The Flat Earth?)
Mon, 15 May 1995 13:49:15 GMT

>>>>> "Andrew" == Andrew Christy <> writes:

> (Grant Edwards) writes:
>> I quite often think of the earth as flat. While navigating cities
>> streets, the approximation is quite useful. It makes the geometry
>> simpler to assume that streets running north and south are
>> parallel.
> Doesn't work either here (Canberra, Australia) or in Cambrige,
> UK. In both cities, streets that are intuitively parallel turn out
> not to be (as a rule in Canberra, they are 45-60 degrees out). In
> Cambridge, two of them even meet at a right angle (by the Round
> Church).

Doesn't work in Madison, either. (Madison being a US city with
non-orthogonal streets.)

Bruce Institute of Advanced Scientific Computation University of Liverpool