1051) Which of the following statements is/are true? I. Meridian Passage of the sun occurs before 1200LMT if mean sun is ahead of apparent sun. II. Meridian Passage of the sun occurs after 1200 LMT if apparent sun is ahead of the mean sun neither I nor II
1052) Which of the following statements is/are true? I. The mean sun is ahead of the apparent sun if the GHA is less 180. II. The apparent sun is ahead of the mean sun if the GHA is greater than 180. neither I nor II
1053) Find the geographic longitude of a body at meridian transit whose GHA is 215º 15'. 144º45' E
1054) Sidereal time is NOT used __________. in sight reductions of planet observations
1055) The altitude at LAN may be observed by starting several minutes in advance and continuing until a maximum altitude occurs. This procedure should not be used __________. on a fast vessel on northerly or southerly headings
1056) The approximate positions of the stars are based on sidereal time, which is based upon rotation of the Earth relative to __________. vernal equinox
1057) It is the angular distance measured from Greenwich to the body westward. GHA
1058) It is angular distance measured westerly from the observer's meridian to the hour circle passing to the body LHA
1059) It is the angular distance measured from the local celestial meridian, westward through 360 deg LHA
1060) It is the angular distance measured from the local celestial meridian, westward through 360 degrees LHA
1061) The LMT of longitude 78 degrees 18'W is 04H 03M. Find the GMT 09H 03M
1062) The difference between the Greenwich time and local time at any instant will be the angle between two meridian expressed in units of time. local apparent time
1063) For a lunar eclipse to occur, which of the following conditions must be satisfied? the moon must be at the one of the nodes
1064) The moon is said to be "waning" during the period from ______________. full moon to new moon
1065) In low latitudes, the new Moon will always rise at about __________. sunrise
1066) What happens because of augmentation? The Moon appears larger as the elevation increases.
1067) What is the length of the lunar day? 24h 50m 00s
1068) The moon is said to be "waning" during the period from _________ a new moon to full moon
1069) The special term which refers to the full moon nearest the autumnal equinox harvest moon
1070) The points of intersection of the moon's orbit and the orbit of the earth is known as ________ nodes
1071) Tide which occurs at times when moon is at quadrature. neap tide
1072) The term " Hunter's moon" refers to full moon which occurs ________ one month after the autumnal equinox
1073) In low latitudes, a first quarter Moon will always rise at about __________. 1200 LMT
1074) Upper limb observations of the Moon are used more frequently than those of the Sun because of the location of the Moon in the sky and the __________. phase of the Moon
1075) What causes geocentric parallax? The change in the Moon's position relative to the stars when viewed from the Earth's surface, as compared to the Earth's center.
1076) At a certain day a certain time in a tropical region the moon rises at GMT 0807H. What is the approximate GMT of the next moon rise? 0857H
1077) If the hourly change of the S.H.A of the Sun is found by "360 degrees divided by length of tropical year in hours". It means that the Sun has a direct motion relative to the fixed stars at 2.46' per hour
1078) It is a point which denotes the center of gravity of orbit of the Earth - Moon system and lies some way inside the surface of the earth barycentre
1079) It is a point which denotes the center of gravity of orbit of the EARTH-MOON System and lies some way inside the surface of the earth barycentre
1080) Perigee is _______ that point where the moon is nearest to them earth
1081) This is a result from slight irregularities in the moon's motion produced by irregularities in its shape. physical libration
1082) In low latitudes, the full Moon will always rise at about __________. sunset
1083) When the Moon's declination is maximum north, which of the following will occur? Tropic tides
1084) This occurs when moon is between the 2nd quarter and full moon and between 4th quarter and new moon. lagging
1085) During the moon's sidereal period, due to the earth's motion around its orbit about the sun, the Sun decrease its S.H.A by __________. 29.9
1086) As a result of libration, it is possible to see at different times the moon's surface by how many percent? 59
1087) If the ascending node of the moon's orbit is considered to be at the "FIRST POINT OF ARIES", which occurs every 18.6 year, the maximum declination of the moon will change from 28 3/4 degrees south in 14 days
1088) If the moon does not always present the same face to the Earth__________. libration
1089) In low latitudes, a last quarter moon will always rise at about __________. 2400 LMT
1090) It is difficult to determine which limb of the Moon is fully illuminated __________. when the terminator is nearly vertical
1091) Priming of the tides occurs __________. when the Moon is between new and first quarter and between full and third quarter
1092) It is the maximum inclination to the ecliptic of the great circle which represents the moon's path around the celestial sphere 5 1/4
1093) It is the maximum inclination to the inclination to the ecliptic of the great circle which represents the moon's path around the celestial sphere 5 1/4 degrees
1094) The tide occurs at time of new moon and full moon. spring tide
1095) It is an imaginary body which moves around the equinoctial at a constant angular velocity Dynamical mean sun
1096) The actual sun appears in the sky apparent sun
1097) At what season where the sun is nearest to the earth? perihelion
1098) The line joining the perihelion and aphelion Line of apsides
1099) Perihelion is. when the earth is nearest from the sun
1100) Perihelion is _________ when the earth is nearest from the sun
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