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	Earth-like planets often spawn new civilizations...Typical Planet Data : Mass : 6 x 10^24 kg. Diameter : 12000 km. Temperature : 290 K. Atmosphere : 78% nitrogen, 21% oxygen. Resources : 
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| Buildings : | 
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		Resource Colony
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		Solar Plant
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		Planet Shield
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		Starport
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		Planet Cannon
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		Shipyard
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		Factory
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