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Exurban nodes are areas of lower-density development that exist beyond the suburban fringe, typically characterized by residential properties and limited commercial or industrial development. These areas often have a strong connection to a central city or metropolitan area, with residents commuting to work or accessing services in the urban core. The galactic city model, developed by French geographer Jean Gottmann in the 1950s, is a theoretical framework that describes the spatial organization of large, polycentric metropolitan areas. It emphasizes the importance of a central business district (CBD) surrounded by concentric rings of development, with each ring representing a different land use or density.

The galactic city model does not explicitly depict exurban nodes, as it primarily focuses on the central business district and the surrounding rings of development. However, the model can be extended to include exurban nodes by considering them as part of the outermost ring or as a separate, loosely connected network of development. In this context, exurban nodes can be seen as an extension of the urban field, representing lower-density development that still maintains a connection to the central city. This aligns with the general principles of the galactic city model, which emphasizes the importance of spatial organization and connectivity in understanding urban growth and development patterns.

The correct answer is A) It depicts exurban nodes. While the galactic city model does not explicitly depict exurban nodes, they can be considered as part of the outermost ring or as a separate, loosely connected network of development, consistent with the model's principles.