Chris Angelico於 2013年4月27日星期六UTC+8上午12時52分38秒寫道：
> On Sat, Apr 27, 2013 at 1:54 AM, MRAB wrote:
>
> > On 26/04/2013 14:02, anatoly techtonik wrote:
>
> >> This circular reference problem is interesting. In object space it
>
> >> probably looks like a stellar detached from the visible (attached)
On Sat, Apr 27, 2013 at 1:54 AM, MRAB wrote:
> On 26/04/2013 14:02, anatoly techtonik wrote:
>> This circular reference problem is interesting. In object space it
>> probably looks like a stellar detached from the visible (attached)
>> universe. Is the main problem in detecting it?
>>
> The proble
