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Hover or tap underlined Spanish terms to see their translation and exam tip.

El círculo máximo obtenido mediante la intersección de la esfera celeste con el plano de la órbita terrestre es:The great circle obtained by intersecting the celestial sphere with the plane of the Earth’s orbit is:

Show the answer

Correct answer: a) The ecliptic.

Why it is correct

The plane of Earth’s orbit around the Sun intersects the celestial sphere in a great circle called the ecliptic, which traces the Sun’s apparent annual path across the sky.

Why the others are not

  • b) The celestial equator is the intersection of the celestial sphere with the plane of Earth’s equator.
  • c) 'Orbital equator' is a coined distractor.
  • d) The astronomical term is the ecliptic.

How to work it out in the exam

  1. Ecliptic: great circle where the plane of Earth’s orbit intersects the celestial sphere.

Where this question comes from

Try it: Sight reduction

Pending instructor review. Machine translation, not reviewed.