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Respecto a Casiopea, indique la afirmación VERDADERA:Regarding the constellation Cassiopeia, identify the TRUE statement:
Show the answer
Correct answer: d) In line with Delta Ursae Majoris and Polaris, and at a distance equal to that between those two stars, lies Cassiopeia.
Why it is correct
Drawing a line from Delta Ursae Majoris (Megrez, where the handle joins the bowl of the Big Dipper) through Polaris and extending it beyond Polaris by roughly the same distance leads directly to Cassiopeia.
Why the others are not
- a) Cassiopeia and Ursa Major lie at roughly equal distances on opposite sides of Polaris, not 2.5 times as far.
- b) Three times that distance would overshoot Cassiopeia’s circumpolar position.
- c) The Polaris–Cassiopeia distance is roughly equal to the Megrez–Polaris distance, not half.
How to work it out in the exam
- Line from Delta Ursae Majoris through Polaris: at an equal distance beyond Polaris lies Cassiopeia.
Where this question comes from
- Ministerio de Transportes (Madrid) · 2019 · Convocatoria de junio · CY Test 1 · question 5 Official paper · Official answer key
- Ministerio de Transportes (Madrid) · 2019 · Convocatoria de junio · CY Test 2 · question 1 Official paper · Official answer key
Pending instructor review. Machine translation, not reviewed.