Eiyrtyssyn y ronsee

...s ny Greiney]]. V'eh feddynit magh ayns 1787 liorish [[William Herschel]], as t'eh enmyssit ass [[Oberon|ree feayn-skeealleydagh ny ferrishyn]] ayns ''[[ ...yn eaghtyr feddynit ass glout ''m'', y [[beayn-earroo ym-hayrnagh]] ''G'', as y craue raadeeoil ''r'': <math>Gm/r^2</math>. ...