Earth
Earth is the third planet from the Sun and the only object in the Universe known to harbor life.
Earth revolves around the Sun in 365.26 days, a period known as an Earth year.
Some geological evidence indicates that life may have arisen as much as 4.1 billion years ago.
Over 7.6 billion humans live on Earth and depend on its biosphere and natural resources for their survival
Earth's solar day is now slightly longer than it was during the 19th century due to tidal deceleration, each day varies between 0 and 2 SI ms longer.
Earth orbits the Sun at an average distance of about 150 million km ) every 365.2564 mean solar days.
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