Celestial Navigation USCG Questions with all Correct & 100% Verified
Answers |Actual Complete Exam |Already Graded A+
1. The period of the Earth's revolution from perihelion to perihelion is the ____________. - (ANSWER)B.
anomalistic year
2. The angle at the pole measured through 180° From the prime meridian to the meridian of a point is
known as ____________. - (ANSWER)C. longitude
3. In low latitudes, the full Moon will always rise at about ____________. - (ANSWER)C. sunset
4. A variable star is one that ____________. - (ANSWER)A. exhibits a change in magnitude
5. The largest of the navigational planets is ____________. - (ANSWER)C. Jupiter
6. The tropical year differs from which year by 20 minutes? - (ANSWER)D. Sidereal year
7. A large group of stars revolving around a center is known as a ____________. - (ANSWER)D. galaxy
8. The line of position determined from a sight with an observed altitude (Ho) of 88°45.0' should be __
__________. - (ANSWER)D. plotted as an arc around the GP of the body
9. In low latitudes, the new Moon will always rise at about ____________. - (ANSWER)A. sunrise
10. The Milky Way is an example of a ____________. - (ANSWER)B. galaxy
11. The distance in miles between the circle of equal altitude for the observed altitude (Ho) and the cir
cle of equal altitude for the computed altitude (Hc) is the ____________. - (ANSWER)C. intercept
,Celestial Navigation USCG Questions with all Correct & 100% Verified
Answers |Actual Complete Exam |Already Graded A+
12. Sidereal time is used by navigators when ____________. - (ANSWER)B. used in the form of LHA Aries
13. When determining compass error by an azimuth of Polaris, you enter the Nautical Almanac with th
e ____________. - (ANSWER)B. LHA Aries
14. In high latitudes, celestial observations can be made over a horizon covered with pack ice by bringi
ng the sun tangent to the ice and ____________. - (ANSWER)B. using a dip correction based on the
height of eye above the ice
15. The angle measured eastward from the vernal equinox along the celestial equator often expressed
in time units is the ____________. - (ANSWER)B. right ascension
16. The navigational triangle uses parts of two systems of coordinates, one of which is the horizon sys
tem and the other is the ____________. - (ANSWER)C. celestial equator system
17. In the celestial equator system of coordinates what is NOT equivalent to the longitude of the Earth
system of coordinates? - (ANSWER)D. Zn
18. Which is NOT a side of the celestial navigational triangle? - (ANSWER)C. Altitude
19. In order for a star to be used for a sight at lower transit, the star must ____________. - (ANSWER)A.
be circumpolar
20. Universal time (UTI) is another name for ____________. - (ANSWER)B. Greenwich mean time
21. In low latitudes, a first quarter Moon will always rise at about ____________. - (ANSWER)B. 1200
LMT
, Celestial Navigation USCG Questions with all Correct & 100% Verified
Answers |Actual Complete Exam |Already Graded A+
22. Local sidereal time is equal to the ____________. - (ANSWER)C. LHA of Aries
23. The lunar day is ____________. - (ANSWER)A. longer than a solar day
24. Perihelion is the point where the Sun ____________. - (ANSWER)A. is nearest to the Earth
25. The phase correction should be applied to sights of Venus and Mars ____________. - (ANSWER)B.
during twilight observations only
26. In the Nautical Almanac provided, when would Jupiter and Saturn be visible in temperate latitudes
for both evening and morning stars? - (ANSWER)B. 27 March
27. The great circle of the celestial sphere that passes through the zenith, nadir, and the eastern point
of the horizon is the ____________. - (ANSWER)D. prime vertical
28. In general, the most effective period for observing stars and planets occurs during the darker limit
of ____________. - (ANSWER)B. civil twilight
29. During one synodic rotation, a body makes one complete turn relative to the ____________. -
(ANSWER)B. Sun
30. 90° - Ho = ____________. - (ANSWER)D. zenith distance
31. Opposition occurs when ____________. - (ANSWER)D. the Earth is between a planet and the Sun
Answers |Actual Complete Exam |Already Graded A+
1. The period of the Earth's revolution from perihelion to perihelion is the ____________. - (ANSWER)B.
anomalistic year
2. The angle at the pole measured through 180° From the prime meridian to the meridian of a point is
known as ____________. - (ANSWER)C. longitude
3. In low latitudes, the full Moon will always rise at about ____________. - (ANSWER)C. sunset
4. A variable star is one that ____________. - (ANSWER)A. exhibits a change in magnitude
5. The largest of the navigational planets is ____________. - (ANSWER)C. Jupiter
6. The tropical year differs from which year by 20 minutes? - (ANSWER)D. Sidereal year
7. A large group of stars revolving around a center is known as a ____________. - (ANSWER)D. galaxy
8. The line of position determined from a sight with an observed altitude (Ho) of 88°45.0' should be __
__________. - (ANSWER)D. plotted as an arc around the GP of the body
9. In low latitudes, the new Moon will always rise at about ____________. - (ANSWER)A. sunrise
10. The Milky Way is an example of a ____________. - (ANSWER)B. galaxy
11. The distance in miles between the circle of equal altitude for the observed altitude (Ho) and the cir
cle of equal altitude for the computed altitude (Hc) is the ____________. - (ANSWER)C. intercept
,Celestial Navigation USCG Questions with all Correct & 100% Verified
Answers |Actual Complete Exam |Already Graded A+
12. Sidereal time is used by navigators when ____________. - (ANSWER)B. used in the form of LHA Aries
13. When determining compass error by an azimuth of Polaris, you enter the Nautical Almanac with th
e ____________. - (ANSWER)B. LHA Aries
14. In high latitudes, celestial observations can be made over a horizon covered with pack ice by bringi
ng the sun tangent to the ice and ____________. - (ANSWER)B. using a dip correction based on the
height of eye above the ice
15. The angle measured eastward from the vernal equinox along the celestial equator often expressed
in time units is the ____________. - (ANSWER)B. right ascension
16. The navigational triangle uses parts of two systems of coordinates, one of which is the horizon sys
tem and the other is the ____________. - (ANSWER)C. celestial equator system
17. In the celestial equator system of coordinates what is NOT equivalent to the longitude of the Earth
system of coordinates? - (ANSWER)D. Zn
18. Which is NOT a side of the celestial navigational triangle? - (ANSWER)C. Altitude
19. In order for a star to be used for a sight at lower transit, the star must ____________. - (ANSWER)A.
be circumpolar
20. Universal time (UTI) is another name for ____________. - (ANSWER)B. Greenwich mean time
21. In low latitudes, a first quarter Moon will always rise at about ____________. - (ANSWER)B. 1200
LMT
, Celestial Navigation USCG Questions with all Correct & 100% Verified
Answers |Actual Complete Exam |Already Graded A+
22. Local sidereal time is equal to the ____________. - (ANSWER)C. LHA of Aries
23. The lunar day is ____________. - (ANSWER)A. longer than a solar day
24. Perihelion is the point where the Sun ____________. - (ANSWER)A. is nearest to the Earth
25. The phase correction should be applied to sights of Venus and Mars ____________. - (ANSWER)B.
during twilight observations only
26. In the Nautical Almanac provided, when would Jupiter and Saturn be visible in temperate latitudes
for both evening and morning stars? - (ANSWER)B. 27 March
27. The great circle of the celestial sphere that passes through the zenith, nadir, and the eastern point
of the horizon is the ____________. - (ANSWER)D. prime vertical
28. In general, the most effective period for observing stars and planets occurs during the darker limit
of ____________. - (ANSWER)B. civil twilight
29. During one synodic rotation, a body makes one complete turn relative to the ____________. -
(ANSWER)B. Sun
30. 90° - Ho = ____________. - (ANSWER)D. zenith distance
31. Opposition occurs when ____________. - (ANSWER)D. the Earth is between a planet and the Sun
