Re: adapting to an open universe

Damien Broderick (
Mon, 19 Jan 1998 11:02:27 +0000

At 05:05 PM 1/18/98 +0000, Nick Bostrom wrote:

>if d is big enough, then by the time the probes have traveled 10% of
>the way, the remaining 90% will have grown larger than the original
>100%, due to the expansion of space inbetween. So if that expansion
>rate settles down to a constant, then there must be a sphere centered
>around Earth such that nothing that is outside of that sphere can
>*ever* affect Earth, even if it travels with the speed of light.

I believe you have just reinvented the canonical explanation for Olbers'

Damien Broderrick