[time-nuts] Chilean quake shifted Earth's axis. The length of the day shorter by 1.26 microseconds ?
jfor at quik.com
Tue Mar 2 03:48:55 UTC 2010
3E-8 radians is 0.03 microradians. A microradian is about 5 arc-seconds,
so about 0.15 arc-seconds per year. I think that's in the range that could
be observed either optically or by VLBI.
> How would one go about verifying this? The angular difference after 1
> year is about 3E-8 radians, which is probably well beyond the absolute
> pointing accuracy of any telescope, and swamped by lunar tidal
> deceleration anyway.
> On Mon, Mar 1, 2010 at 7:36 PM, mc0fred <mc0fred at gmail.com> wrote:
>> Interesting that the effect could be this large.
More information about the time-nuts