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→Both Theories Correct?
I'm afraid RShafly's opinion above is based on a profound misunderstanding of the meaning of the term 'scientific theory.' As QNA points out above, performing a calculation based on an assumption that the Earth is not revolving because it is convenient when calculating a rocket's trajectory, is not based on a theory that the Earth is not revolving. By the same token, if I perform a calculation involving the movements of objects outside a moving train from the point of view that the train is not moving, it does not imply that I have a theory that the train is not actually moving. You will find a good definition of 'scientific theory' here [http://www.google.com/search?hl=en&defl=en&q=define:scientific+theory&sa=X&oi=glossary_definition&ct=title]. NitramNos 09:33, 8 June 2007 (EDT)
I'm afraid RShafly's opinion above is based on a profound misunderstanding of the meaning of the term 'scientific theory.' As QNA points out above, performing a calculation based on an assumption that the Earth is not revolving because it is convenient when calculating a rocket's trajectory, is not based on a theory that the Earth is not revolving. By the same token, if I perform a calculation involving the movements of objects outside a moving train from the point of view that the train is not moving, it does not imply that I have a theory that the train is not actually moving. You will find a good definition of 'scientific theory' here [http://www.google.com/search?hl=en&defl=en&q=define:scientific+theory&sa=X&oi=glossary_definition&ct=title]. NitramNos 09:33, 8 June 2007 (EDT)
Strictly speaking, Ga ohoyt is correct. The Sun is certainly not the center of the universe. Current scientific theory, however, does assume that the Earth revolves around the Sun, not the reverse. NitramNos 09:50, 8 June 2007 (EDT)