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| − | '''Earth''' is a [[planet]] of the [[Solar system]]. Earth is moving around the [[star]] with the official name [[Sol]] but commonly reffered to as the [[Sun]]. Earth has one physical [[satellite]] with the name [[Luna]] (usually referred to as "the [[Moon]]"), however, it is argued that Earth and Moon are actaully a single system, since they both revolve around the common center of mass, rather than one around the other.
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| − | [[Image:Earthlights (NASA & NOAA).jpeg|thumb|400px|right|Image of Earth from [[cosmos]], showing the [[human]] population's effect on the planet through the [[light pollution]].]]
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| − | 3/4 of Earth surface is [[water]]. [[human|Humans]] live in the rest 1/4 and have polluted it so much that it is doubtful whether [[future]] [[generation]]s will be able to live as people have in the past.
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| − | There are many [[society|societies]] on Earth, most notable are these of [[human]]s, [[ant]]s, [[bee]]s etc.
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| − | Earth is 1 [[astronomic unit|AU]] away from the Sun.
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| − | [[Category:Planets]]
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| − | [[zh:地çƒ]]
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