equatorial background

equatorial

/ˌɛkwəˈtɔːɹiəl/

Illustration equatorial - Image 1

noun

Télescope équatorial

A kind of telescope mounted so as to have two axes of motion at right angles to each other, one of them parallel to the axis of the Earth, and each carrying a graduated circle, one for measuring declination, and the other right ascension, or the hour angle, so that the telescope may be directed, even in the daytime, to any star or other object whose right ascension and declination are known.

Examples :

"The astronomer used the equatorial telescope to track the movement of the planets. "

L'astronome a utilisé le télescope équatorial pour suivre le mouvement des planètes.

astronomy technology space science device

Illustration equatorial - Image 1

Illustration equatorial - Image 2

adjective

Équatorial, relatif à l'équateur

Of, near, or relating to the equator

Examples :

"That plant is best suited to equatorial climates."

Cette plante est la mieux adaptée aux climats équatoriaux.

geography world environment

Illustration equatorial - Image 1

adjective

Perpendiculaire au plan d'un anneau

Perpendicular to the plane of a ring

Examples :

"The equatorial plane of the school playground swings is perpendicular to the ground. "

Le plan équatorial des balançoires de la cour de récréation de l'école est perpendiculaire au sol.

astronomy space