EARTH FACTS WIDGET
EARTH FACTS
Earth is the third planet from the Sun.
Earth has one natural satellite: the Moon.
Earth’s mean radius is about 6,371 km.
Earth’s surface is ~71% covered by liquid water.
Earth’s atmosphere is mostly nitrogen (~78%) and oxygen (~21%).
A solar day on Earth is 24 hours (by definition of civil time).
Earth’s average distance from the Sun is ~149.6 million km (1 AU).
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