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EarthEarthOne year = approx. 365 daysOne year = approx. 365 daysOne day = approx. 24 hoursOne day = approx. 24 hoursEarth is the only planet Earth is the only planet notnot
named for a Roman or Greek named for a Roman or Greek god.god.
It is sometimes called the It is sometimes called the Blue PlanetBlue Planet..
EarthEarthIt has one natural satellite, It has one natural satellite,
the moon.the moon.Earth is the only planet with Earth is the only planet with
liquid water.liquid water.It is the only planet known to It is the only planet known to
sustain life.sustain life.