Positions in the Sky

  • Chris Kitchin
Part of the Patrick Moore’s Practical Astronomy Series book series (PATRICKMOORE)


Most people are familiar with the idea of plotting a graph. This is one example of a coordinate system, the x and y coordinates (abscissa and ordinate) providing a means of specifying the position of a point within the two-dimensional surface occupied by the graph. It is a simple extension of the idea to give completely the position of an object in space using three coordinates, x, y and z (Figure 4.1).


Sine Recent Century Tate Azimuth Dinate 


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Copyright information

© Springer-Verlag London 2003

Authors and Affiliations

  • Chris Kitchin

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