celestial mechanics
[/səˈlɛstʃəl məˈkænɪks/]
noun
mecânica celeste
1. The branch of astronomy and physics that deals with the motions and gravitational interactions of celestial bodies such as planets, stars, and galaxies.
Celestial mechanics explains the orbital paths of planets around the sun using Newton's laws of motion and universal gravitation.
A mecânica celeste explica as órbitas dos planetas ao redor do sol usando as leis do movimento de Newton e a gravitação universal.
2. The mathematical and physical principles governing the dynamics of objects in space and their trajectories.
The spacecraft's trajectory was calculated using principles of celestial mechanics.
A trajetória da nave espacial foi calculada usando princípios da mecânica celeste.
Celestial mechanics is a foundational discipline in both Brazilian and Portuguese scientific education, with significant historical contributions from figures like Newton and Laplace. The term is universally used in academic astronomy programs and space agencies across both English and Portuguese-speaking countries. It represents the mathematical foundation of modern space exploration and satellite technology development.
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