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La estrella Polar se puede localizar directamente a partir de las estrellas de:The Pole Star (Polaris) can be located directly from the stars of:

Show the answer

Correct answer: c) The constellations Cassiopeia and Ursa Major.

Why it is correct

Polaris is found directly from the two prominent northern circumpolar constellations on opposite sides of the pole: Ursa Major (extending the Pointers Merak and Dubhe five times) and Cassiopeia (from the central stars of the W).

Why the others are not

  • a) It is not only Ursa Major; Cassiopeia also points directly toward Polaris.
  • b) Orion is used to locate Sirius, Aldebaran or Procyon, not Polaris directly.
  • d) Orion is not one of the two direct pointer constellations for Polaris.

How to work it out in the exam

  1. Direct guide constellations for finding Polaris: Cassiopeia and Ursa Major.

Where this question comes from

Try it: Sight reduction

Pending instructor review. Machine translation, not reviewed.