# #Mon Aug 09 12:06:31 CEST 2010 Slide__xSc8AKOdEd-WfYQ0GneCwQ_subTitle=Gravity Probe B Slide__xSc8AKOdEd-WfYQ0GneCwQ_footer= Slide__xSc8AKOdEd-WfYQ0GneCwQ_title=Tops are tilting in the gravitational field of the Earth