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Biology 9 Online
OpenStudy (anonymous):

Historical Solar System Model (differences) 1. 2. 3. 4. Similarities 1) 2) 3) Current Solar System Model (differences) 1. 2. 3. 4.

OpenStudy (anonymous):

@HelpBlahBlahBlah

OpenStudy (anonymous):

@Secret-Ninja

OpenStudy (secret-ninja):

One mainly huge difference is that the Historical one was Geocentric, meaning that people thought that the sun and planets revolved around the Earth, and that the Earth was the center of the solar system. The modern one has a heliocentric system, meaning the planets revolve around the sun, and that the sun it the center of the solar system.

OpenStudy (secret-ninja):

Another difference id that in Historical models, people though that the planets revolved in perfect circles. In the modern system, the planets revolve in or oval shapes.

OpenStudy (secret-ninja):

I took this class a long time ago, and that's all I remember, sorry. I hope it helps!

OpenStudy (anonymous):

thanks a lot

OpenStudy (secret-ninja):

No prob.

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