英语翻译itseemstousthattheearthstandsquitestill.butitisreallymovingallthetime.itturnsaroundamake-bellievelinethroughitscenter.Wecallthismake-beliebelinetheearth'saxis.thetwoendsoftheearth'saxisarecalledits
英语翻译
itseemstousthattheearthstandsquitestill.butitisreallymovingallthetime.itturnsaroundamake-bellievelinethroughitscenter.Wecallthismake-beliebelinetheearth'saxis.thetwoendsoftheearth'saxisarecalleditspoles.itmakestheearthtwenty-fourhourstravelarounditsaxisonce.
welookatthesunandsayit"rises"andtravelsacrossthesky.butthesundoesn,tresllydoso.itistheturningoftheearththatmakesusfeelasifthesunweremovingacrossthesky.wecan'tseethattheearthismovingbecauseeveryingelseontheearthisturningwithus.astheearthturnsaroundeverytwenty-fourhours,firstonehalffacesthesunandthentheotherhalf.whenourhalfoftheearthisfacingthesun,wesayitisday.wehnourhalfisawayfromthesun,wesayitisneght.itistheturningoftheearththattellsuswhentogotobedandwhentogetup.