One level back to Physics 2.2.1. General physicalities 2.2.1.1. Celestial body (solar system) 2.2.1.2. Basic elements (aggregates, phases) 2.2.1.3. Weather (elementary process, meteorology) One level further to Celestial body (solar system) One level further to Basic elements (aggregates, phases) One level further to Weather (elementary process, meteorology)

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General physicalities