But even worse they say that earth's axis has moved by 2.7 milliarcseconds : all our dial styles will need an adjustment !!! Greetings. Gian Casalegno
>----Messaggio originale---- >Da: [email protected] >Data: 02/03/2010 17.20 >A: "sundial list"<[email protected]> >Ogg: Chilean Quake May Have Shortened Earth Days > >The Feb. 27 magnitude 8.8 earthquake in Chile may have shortened the length >of each Earth day. > >JPL research scientist Richard Gross computed how Earth's rotation should >have changed as a result of the Feb. 27 quake. Using a complex model, he and >fellow scientists came up with a preliminary calculation that the quake >should have shortened the length of an Earth day by about 1.26 microseconds >(a microsecond is one millionth of a second). > >Complete story at >http://www.nasa.gov/topics/earth/features/earth-20100301.html > > > >--------------------------------------------------- >https://lists.uni-koeln.de/mailman/listinfo/sundial > > --------------------------------------------------- https://lists.uni-koeln.de/mailman/listinfo/sundial
