Various Astrolabe question given on exams with the correct answers in bold face


December 20, 1997 Astrolabe questions:

1. When, local apparent solar time, will the sunrise in Takoma Park on December 10?
a. 5:40 AM
b. 6:15 AM
c. 7:20 AM
d. 7:50 AM
e. 8:00 AM

2. When, local apparent solar time, will the sunset in Takoma Park on December 10?
a. 4:40P M
b. 5:15 PM
c. 4:00 PM
d. 5:50 PM
e. 4:10 PM

3. On December 10 at midnight, local apparent solar time, what is the altitude of Rigel in the constellation of Orion?
a. 45°
b. 43°
c. 57°
d. 22°
e. 16°

4. On December 10 at midnight, local apparent solar time, what is the azimuth of Rigel?
a. 65°
b. 93°
c. 207°
d. 118°
e. 179°

5. On June 20 at what time, local apparent solar time, is Vega at the zenith?
a. 6:30pm
b. 7:19am
c. 12:40am
d. 11:45pm
e. 9:30pm

6. What is the right ascension of Deneb?
a. 6 hours and 45 minutes
b. 9 hours and 8 minutes
c. 10 hours and 11 minutes
d. 13 hours and 23 minutes
e. 20 hours and 45 minutes

7. What is the declination of Deneb?
a. 50°
b. 46°
c. 40°
d. 32°
e. -16°

8. When, local apparent solar time, will astronomical twilight be over on December 10, in other words, when will it be dark enough to satisfy even the need of astronomical photometry?
a. 6:00 pm
b. 5:19 pm
c. 5:40 am
d. 6:20 pm
e. 9:30 pm

9. When, local apparent solar time, will astronomical twilight begin on December 10, in other words, when should an astronomer stop taking astronomical photometry data on this date because it is being spoiled by some morning sunlight?
a.  6:20 pm
b. 19 am
c. 12:40 am
d. 6:45 am
e. 5:40 am

10. What time, local apparent solar time, will the bright star Arcturus rise on December 10?
a. 6:30 pm
b. 2:00 am
c. 12:40 am
d. 11:45 pm
e. 9:30 pm

Astrolabe Questions on December 14, 1996 Final Exam

95. Using your astrolabe on December 10 the sun rises at when?
a. 7:00AM
b. 7:20AM
c. 6:45AM
d. 6:15AM
e. 5:40AM

96. Using your astrolabe on December 10 at 9PM the altitude of Procyon is?
a. 10 degrees
b. 0 degrees
c. 20 degrees
d. 26 degrees
e. 15 degrees

97. Using your astrolabe on December 10 Sirius has an altitude of 20 degrees and Beltrix has an altitude of 50 degrees, what is the time at Montgomery College?
a. 9:10PM
b. 10:55PM
c. 10:34PM
d. 11:05PM

98. Using your astrolabe on December 10 what time is it when Vega is overhead?
a. noon
b. midnight
c. 1:20PM
d. 3:15PM
e. 7:30PM

99. Using your astrolabe what is the declination of Spica?
a. 0 degrees
b. -19 degrees
c. 5degrees
d. -11degrees

100. Using your astrolabe what is the right ascension of Spica?
a. 13 hours and 28 minutes
b. 10 hours and 32 minutes
c. 4 hours and 30 minutes
d. 11 hours and 20 minutes

95. Using your astrolabe on May 20 the sun rises at what time local apparent solar time?
a. 6:20AM
b. 5:30AM
c. 6:45AM
d. 4:50AM
e. 5:40AM

96. Using your astrolabe on May 20 at 9PM local apparent solar time the altitude of Procyon is?
a. 14 degrees
b. 0 degrees
c. 30 degrees
d. 26 degrees
e. 45 degrees

97. Using your astrolabe on May 20 Vega has an altitude of 40 degrees and Arcturus has an altitude of 70 degrees, what is the local apparent solar time at Montgomery College?
a. 9:10PM
b. 10:55PM
c. 10:30PM
d. 11:05PM

98. Using your astrolabe on May 20 what time is it when Vega is overhead?
a. noon
b. midnight
c. 1:20PM
d. 2:48AM
e. 7:30PM

99. Using your astrolabe what is the declination of Altair?
a. 0 degrees
b. -19 degrees
c. 9degrees
d. -11degrees

100. Using your astrolabe what is the right ascension of Altair?
a. 13 hours and 28 minutes
b. 10 hours and 32 minutes
c. 19 hours and 55 minutes
d. 11 hours and 20 minutes


Last Modified May 13, 1999.