Three in one: The model of Sun-Earth-Moon
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The purpose of this study is to develop a Sun-Earth-Moon model which will be used in describing fundamental topics of astronomy, hardly understood correctly because of their three dimensional and complicated nature. Abstract and complex frame of science is the most significant obstacle against comprehension of scientific topics. Students have difficulties in explaining the meaning of the events that they cannot see, hear and touch, and they cannot relate the events and the information they have. So concepts must be supported with material for quality in science education. In this study, a model has been developed to make it easier to describe the real and the apparent motions of the Sun-Earth-Moon system and the results of these motions, a topic within the scope of Astronomy, which has been taught to senior undergraduate students of Science Education Programs, followed in the Faculty of Education in Inonu University. Our Sun-Earth-Moon model is a more complicated and detailed model than previous ones in terms of explaining single setting topics such as eclipses, seasons, night-day cycle and moon phases and in addition, having many features such as orbital and axial inclinations, axial rotation and orbital motion at the same time. As a result of a literature review, this study has showed that the previous models aren't as comprehensive and well-equipped as our model in terms of the features in ours.