Monthly Archives: November 2010

The earth in space

The earth viewed from space, the earth appears to be a perfect sphere. On a perfect sphere, the circumference,or distance around, is the same no matter where it is measured. careful measurements reveal that the earth’s circumference caries slightly, depending … Continue reading

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Earth a unique planet

Earth is a very unique planet because of no other planet that we know of is close to being like it.  The earth’s mantle i nearly two thausand nine hundred km thick.  The earth’s core is the center ad most … Continue reading

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