Contrary to popular belief it does not take the Earth 24 hours to complete a single rotation, it actually takes it 23 hours, 56 minutes and 4 seconds to complete a rotation and astronomers call this a sidereal day.
A year on Earth is not 365 days as widely thought, but rather 365.2564 days. The extra 0.2564 days is where the extra day that is added onto February every leap year, or every four years, comes from.
Due to the amount of water covering the Earth, it would be one of the brightest planets to look upon from a distance due to the way in which the water would reflect the Sun’s rays.
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