- The study of the physical universe beyond the Earth's atmosphere, including the process of mapping locations and properties of the matter and radiation in the universe. The study of the physical processes which control matter and energy in the universe is commonly called astrophysics. The investigation of the origin, evolution, and fate of the universe itself is called cosmology.
Etymology: :from astronomia, from Ancient Greek astronomia, from á astron "star" (from Proto-Indo-European, PIE base
- Dutch: astronomie , sterrenkunde
- French: astronomie
- German: Astronomie
- Italian: astronomia
- Spanish: astronomía
- ster- "star") + nomos "arranging, regulating", related to nemein "to deal out".
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