Surveying FS Astronomy and Hydrography verified/passed 2024

Surveying FS Astronomy and HydrographyThe spherical triangle known as the PZS triangle has sides that are segments of three great circles. Which two of those great circles intersect at the star? - correct answer the hour circle and the vertical circle Which astronomical coordinates are constantly changing and can readily be measured by a theodolite? - correct answer altitude and azimuth The angle between an observer's zenith and the celestial equator will always be equal to what? - correct answer the observer's latitude What is the terrestrial equator? - correct answer a great circle on which every point is equidistant from the north and south pole What is the Greek letter used to symbolize longitude? - correct answer lambda What is the Greek letter used to symbolize latitude? - correct answer lowercase phi (the o with a slash through it) What makes up the PZS triangle? - correct answer P: pole Z: zenith S: star What is aphelion? - correct answer the position furthest from the sun What is perihelion? - correct answer the position closet to the sun