CY Módulo de navegación, Andalucía 2022

Junta de Andalucía · 3ª convocatoria · 20 questions

Open the official paper Open the official key

• The arc of the celestial equator, counted eastwards, between the First Point of Aries and a body’s hour circle is:
• The great circle obtained by intersecting the celestial sphere with the plane of the Earth’s orbit is:
• For an observer in Bilbao (43° 15.7′ N, 002° 57.2′ W), a celestial body with declination 47º N:
• When calculating an observed position (sight reduction), two angles of the navigational triangle are normally used. Which are they?
• The observer’s vertical (the line perpendicular to the horizon passing through the observer) intersects the celestial sphere at the points called:
• In position 43° 30′ S, 89° 24′ E, given that the Sun's declination is 18° 00′ S, calculate the Sun's azimuth at true sunrise.
• Calculate the great-circle distance separating the points 33° 41′ S, 132° 27′ E and 16° 19′ N, 081° 52′ W.