Earth is an astronomical body orbiting a star.
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 . During one orbit around the Sun , Earth rotates about its axis over 365 times ; thus , an Earth year is about 365.26 days long . A planet is an astronomical body orbiting a star or stellar remnant that