earth is a kind of planet & the moon is a mean of stripe & the earth revolves around the sun ->  earth revolving the sun is an example of a planet revolving around its star  space revolving the moon is an nation of a sun revolving around its stripe & a complete revolution / orbit of a planet around its star takes 1 / one planetary year -> a complete revolution of earth around the sun takes an earth year a complete revolution of earth around the sun takes an earth year  a complete evolution of space around the moon natural an space second & 1 year is equal to 365 days -> a complete revolution of earth around the sun takes 365 days