Signification visuelle de 'librations'? - apprendre avec des images, exemples du quotidien

noun

Libration, mouvement de libration

The act of librating.

"The child's librations of his arms and legs helped him to calm down. "

Les mouvements de libration des bras et des jambes de l'enfant l'ont aidé à se calmer.

astronomy physics

noun

Librations

The apparent wobble or variation in the visible side of the Moon that permanently faces the Earth, allowing observers on Earth to see, over a period of time, slightly more than half of the lunar surface.

"The moon's librations allow us to see a little bit more of its surface over time, as it appears to wobble slightly in the sky. "

Les librations de la lune nous permettent de voir un peu plus de sa surface au fil du temps, car elle semble osciller légèrement dans le ciel.

astronomy space science phenomena

noun

Librations

(by extension) A similar rotational or orbital characteristic of some other celestial body.

"The Earth's librations affect the timing of our sunrise, and similarly, the moon's librations cause us to see slightly different portions of its surface from Earth. "

Les librations de la Terre affectent le moment de notre lever de soleil, et de même, les librations de la Lune nous amènent à voir des portions légèrement différentes de sa surface depuis la Terre.

astronomy physics space

noun

Librations

A vibrational degree of freedom whereby a group of atoms partly rotates back and forth, similar to the Moon's motion.

"The scientist observed the librations of the small molecule, noting its slight back-and-forth rotational movement under the microscope. "

Le scientifique a observé les librations de la petite molécule, notant son léger mouvement de rotation avant-arrière au microscope.

physics astronomy technical chemistry