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Physics 21 Online
OpenStudy (anonymous):

The Heliocentric Theory was developed by _________ in the 1500s A. Johannes Kepler B. Galileo Galilei C. Nicolas Copernicus D. Isaac Newton

OpenStudy (xishem):

Google is pretty helpful here for questions like these, unless there is a particular question you have?

OpenStudy (anonymous):

umm i am asking a question thought i could get help on this stupid web site

OpenStudy (xishem):

Yup. We're here to help you learn how to answer questions, not answer them for you. If you Google "Heliocentric Theory", you'll find your answer in fewer than 15 seconds.

OpenStudy (anonymous):

Johannes Kepler

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