Ethiopia is located on Earth.
Apollo 8 , the second human spaceflight mission in the United States Apollo space program , was launched on December 21 , 1968 , and became the first crewed spacecraft to leave Earth orbit , reach the Earth 's Moon , orbit it and return safely to Earth . Earth ( from Eorðe [ Γαῖα , Gaia ] Terra ) , otherwise known as the World or the Globe , is the third planet from the Sun and the only object in the Universe known to harbor life . Ethiopia ( [ ˌiːθiˈoʊpiə ] ኢትዮጵያ , , ) , officially the Federal Democratic Republic of Ethiopia ( የኢትዮጵያ ፌዴራላዊ ዲሞክራሲያዊ ሪፐብሊክ , yeʾĪtiyoṗṗya Fēdēralawī Dēmokirasīyawī Rīpebilīk ) , is a country located in the Horn of Africa . With over 100 million inhabitants , Ethiopia is the most populous landlocked country in the world , as well as the second-most populous nation on the African continent after Nigeria .