Vocabulary List Number 405 v.0.1
Main Definition
- astronomy 1 |n| a natural science dedicated to observing and analyzing objects in the cosmos. (From Google IA. May 11, 2026.)
- astronomy 2 |n| is the scientific study of everything beyond Earth's atmosphere, including planets, stars, galaxies, comets, and black holes [0.5.5, 0.5.11]. It uses physics, chemistry, and mathematics to investigate the origin, evolution, and physical properties of celestial objects and the universe itself. (From Google IA. May 12, 2026.)
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