<P> Originally , earth was written in lowercase , and from early Middle English , its definite sense as `` the globe '' was expressed as the earth . By Early Modern English , many nouns were capitalized , and the earth became ( and often remained ) the Earth , particularly when referenced along with other heavenly bodies . More recently , the name is sometimes simply given as Earth , by analogy with the names of the other planets . House styles now vary : Oxford spelling recognizes the lowercase form as the most common , with the capitalized form an acceptable variant . Another convention capitalizes `` Earth '' when appearing as a name ( e.g. `` Earth 's atmosphere '' ) but writes it in lowercase when preceded by the ( e.g. `` the atmosphere of the earth '' ) . It almost always appears in lowercase in colloquial expressions such as `` what on earth are you doing ? '' </P>
<P> Originally , earth was written in lowercase , and from early Middle English , its definite sense as `` the globe '' was expressed as the earth . By Early Modern English , many nouns were capitalized , and the earth became ( and often remained ) the Earth , particularly when referenced along with other heavenly bodies . More recently , the name is sometimes simply given as Earth , by analogy with the names of the other planets . House styles now vary : Oxford spelling recognizes the lowercase form as the most common , with the capitalized form an acceptable variant . Another convention capitalizes `` Earth '' when appearing as a name ( e.g. `` Earth 's atmosphere '' ) but writes it in lowercase when preceded by the ( e.g. `` the atmosphere of the earth '' ) . It almost always appears in lowercase in colloquial expressions such as `` what on earth are you doing ? '' </P>
what is the real name of the earth
what is the real name of the earth
the Earth
the Earth