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

En la esfera celeste, los lados que se forman en un triángulo de posición cualquiera, siempre serán:On the celestial sphere, the sides of any position triangle will always be:

Show the answer

Correct answer: d) The sides of a position triangle on the celestial sphere are arcs of great circles.

Why it is correct

The meridian, hour circle and vertical circle are all great circles.

Why the others are not

  • a) No side lies on the equator.
  • b) All three are, not just that one.
  • c) All three are, not just that one.

How to work it out in the exam

  1. Spherical triangle: great circle sides.

Where this question comes from

Try it: Sight reduction

Pending instructor review. Machine translation, not reviewed.