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The scientist made the heliocentric model of the solar system. It is a word for the graphical model of our solar system.
graphical
A scientific model is a reprensentation of an object or system, and it can be conceptual, graphical, or mathematical.
AN example would be something like the model of the water cycle.
An Entity Relationship Diagram is one graphical method. A dataflow diagram is another way of looking at a system for which you will design a database.
E.R. model is an abstract and conceptual representation of data....
it is a graphical representation of entities and their relationship to each other..