651) If the celestial body is at your meridian, it reaches its highest altitude
652) It assumes that the earth is a sphere with radius the same as the radius of curvature of the meridian at the position being measured. It is the latitude of a position as observed Geographical Latitude
653) It is a circle on the surface of a sphere, where plane passes through the center of the sphere. Great Circle
654) Are the points on the sphere which are 90 degrees removed from all points on the great circle Poles of Great Circle
655) Any great circle which passes through the poles of another great circle. Secondary Great Circle
656) In the Horizon System of coordinates, the arc of the horizon measures from the West point of the horizon in a direction towards the Principal Vertical circle through the North celestial pole will give an amplitude in which quadrant? Fourth quadrant
657) It is the angle actually measured between the body and the visible horizon. Apparent altitude
658) It is the small circle on the earth surface where the sea and sky appears to meet visible horizon
659) It is the small circle on the earth surface where the sea and sky appears to meet visible horizon
660) The moon describes a great circle around the celestial sphere in the same period that it taken to orbit the Earth. It moves around this great circle through 360 degrees in 27 1/4 days
661) The moon describes a great circle around the celestial sphere in the same period that it taken to orbit the earth. It moves around this great circle through 360 in _________ 27 3/4 days
662) The apparent daily path of the around earth __________._ Diurnal circle
663) The arc of vertical circle through the body which is contained between the Zenith and the Body and is a complement called __________.____ Zenith of Distance
664) The arc of horizon measured from 0 deg to 180 deg eastward or westward from the direction of north point of the horizon (north latitude) or from the south point of the horizon ( south latitude) azimuth angle
665) The arc of horizon measured from 0 degree to 180 degrees westward or eastward from the direction of north point of the horizon, (north latitude)or from the south point of the horizon(south latitude). Azimuth angle
666) The path the sun appears to take among the stars due to the annual revolution of the earth in its orbit__________. ecliptic
667) The path the sun appears to take among the stars due to the annual revolution of the earth in its orbit__________. ecliptic
668) The art of navigation with reference to celestial bodies as means to provide fixed positions on the surface of the Earth, is known as __________.________ Celestial Navigation
669) The length of time, the moon travels the great circle through 360 degrees is otherwise known as sidereal month
670) The length of time, the moon travels along the great circle through 360 is otherwise known as ____ Sidereal month
671) The hour of day reckoned by the position of a celestial reference point to relative to a reference celestial meridian time
672) The term which refers to the speed at which the molecules making the atmosphere should attain to overcome the force of gravity ____. velocity of escape
673) The amount of "precession of the ecliptic" is called __________.____ General precession
674) The term used to denote a body being revolved to by is satellites Primary
675) The direction of a line drawn from an observer's assume or DR position towards the geographic position of the celestial body, when plotting an LOP or line of position is called intercept
676) Diurnal aberration is due to __________. rotation of the Earth on its axis
677) In the celestial equator system of coordinates what is the equivalent to the meridians of the Earth system of coordinates? Hour circles
678) In the horizon system of coordinates what is equivalent to longitude on the Earth? Azimuth angle
679) In the horizon system of coordinates, what is equivalent to the local hour angle of the celestial equator system? Azimuth
680) In the horizon system of coordinates what is equivalent to the parallels of declination of the celestial equator system? Parallels of altitude
681) In the horizon system of coordinates what is equivalent to the poles on the Earth? Zenith, nadir
682) The constellation that contains the pointer stars is __________. Ursa Major
683) The precession of the equinoxes occurs in a(n) __________. westerly direction
684) The rate of increase in hour angle is the slowest for __________. the Moon
685) The small circle of the celestial sphere parallel to the celestial equator, and transcribed by the daily motion of the body, is called the __________. parallel of declination
686) The Moon and Sun are in line over your meridian. Tomorrow when the Sun is over your meridian, the Moon will be __________. about 12°East of the meridian
687) The navigational triangle uses parts of two systems of coordinates, one of which is the celestial equator system, the other system is the __________. horizon system
688) The navigator is concerned with three systems of coordinates. Which system is not of major concern? Ecliptic
689) The parallel of latitude at 23°27'S is the __________. Tropic of Capricorn
690) The plane of the ecliptic is inclined to the plane of the celestial equator by what angle? 23°27'
691) The point on the celestial sphere that is directly below an observer is the __________. nadir
692) The points where the Sun is at 0° declination are known as __________. equinoxes
693) The prime vertical is the great circle on the celestial sphere that passes through the __________. zenith, nadir and the east point of the horizon
694) The principal vertical circle is that great circle on the celestial sphere that passes through the __________. zenith and the north and south poles
695) The winter solstice is the point where the Sun is at __________. maximum declination south
696) The zenith is the point on the celestial sphere that is __________. directly over the observer
697) If the Sun's observed altitude is 52°50', the zenith distance is ____________? 37°10'
698) It is the small circle parallel to the horizon and it passes through the body is __________._ altitude circle
699) It is the altitude of the center of a heavenly body when measured from the sensible horizon. Apparent correction
700) Altitude circle is at __________.___ horizon system
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