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| abstraction > science > astronomy > extragalactic astronomy > cosmology > cosmogony |
| cosmogony comparison table | ||
| Subject | is a kind of | has definition |
|---|---|---|
| cosmology | extragalactic astronomy | The study of the origin, structure, and evolution of the Universe on the largest possible scale. In present usage, it frequently includes cosmogony. |
| cosmogony | cosmology | The study of the origin of celestial systems, especially the solar system. |
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