Lecture 4: Archeoastronomy

Dr. W. Pezzaglia
West Valley College
Astronomy 11, Spring 2014
Lec #4: Archeoastronomy
Page 3
Lecture 4: Archeoastronomy
Lecture #3 (last time, Feb 03, Monday)
o Topic: Ecliptic and Annual Motion (parts A & B), read 2.2
Lecture #4 (today, Feb 05, Wednesday)
o Topic: Finish Ecliptic and Annual Motion (Archeoastronomy), read 2.2
o Topic:
Start Time & Diurnal Motion (read sections 2.1, 3.1, and the
"Supplementary Chapter on Celestial Timekeeping and Navigation" (technically
called chapter "S1").
Lecture #5 (next time Feb 10, Monday)
o Topic: Finish Time & Diurnal Motion
o Quiz 1 on Star Maps, Ecliptic & Annual Motion (sections 2.1, 2.2, and additional
material on Star Maps posted on Angel). See sample questions below
 Web Site: www.clifford.org/drbill/wvc/astro11/
 Office Hours: right after class on Monday
Sample Quiz Questions On CONSTELLATIONS and STAR MAPS [Quiz 1]
1. What is the faintest magnitude the eye can see (under ideal circumstances?
2. Who first came up with 60 seconds to the minute and 60 minutes to the hour?
3. Which was not one of the first 4 constellations mapped by the ancients?
A. Taurus
B. Scorpio
C. Aquarius
D. Leo
E. Orion
4. Which constellation is NOT part of the “Orion Story”?
A. Canis Major B. Scorpio
C. Sagittarius
D. Lepus E. Ophiuchus F. All are
5. How many constellations are there?
6. The third brightest star in the constellation Orion would most likely be called?
A. Orion C
B. 3-Orionis
C. -Orionis
D. ceti Orionis
E. none of these
7. Who first came up with 360 degrees to the circle?
8. The name for celestial latitude on a star map is:
A. right ascension
B. hour angle
C. declination
D. elongation E. none of these
9. One hour of right ascension is equivalent to how many degrees (at the equator)?
10. Which is the Right Ascension of the South Celestial Pole?
11. The star ARCTURUS (In Bootes) has what declination? Right Ascension? Magnitude?
12. The approximate magnitude of the star Megrez (Ursa Major)
A. 1
B. 2
C. 3
D. 4
E. none of these
13. Gamma Lyrae probably means the ______ constellation Lyra.
A. third brightest star in
B. third star from east end of
C. fourth brightest star in
D. third star named in
E. none of these
14. Approximately how far apart in degrees are the stars Markab and Algenib (Pegasus)?
A. 15
B. 13
C. 10
D. 1
E. none of these
Dr. W. Pezzaglia
West Valley College
Astronomy 11, Spring 2014
Lec #4: Archeoastronomy
Page 4
1. The sun is on the equator,
a. always
b. never
c. twice a year
d. twice a day e. none of these
2. The sun will transit ___ each successive day at ____ altitude angle (height above the
horizon) in the sky. a. later, a different b. earlier, a different
c. later, the same
d. earlier, the same
e. none of these
4. On the average (over a year) the sun will transit in Hayward at about:
a. 11:50
b. 12:00
c. 12:10
d. 12:14 e. none of these
5. The place where spring equinox happens is often called the "First Point of Aries", although it
now is in the constellation of Pisces. Why? (a) Romans started their calendar in a different
month (March ruled by Aries) instead of current January), (b) Precession
(c) Constellations have been "redrawn" with new borders (d) elliptical orbit of earth (e)
none of these
8. When the sun is near Spica (in Virgo) what would be the date?
9. On Oct 21 the sun would rise where on the horizon? [What would be its location on the
ecliptic? Declination? How high would it transit at noon?]
On a starmap which has down to 3rd
magnitude stars drawn in.
Label North, South, East, West,Label (in
words) the axes with proper names,Label FIVE
constellations on the map. LABEL the celestial
equator, DRAW the position of the sun for the
date DECEMBER 31, what is its ecliptic
longitude? What is its RA and Dec? Label
equator, ecliptic, first point of aries, descending
solar node, north ecliptic pole.
NOTE: a bigger version of map available on
website (under Topics, under Ecliptic and
Annual Motion ).
Dr. W. Pezzaglia
West Valley College
Astronomy 11, Spring 2014
Lec #4: Archeoastronomy
Page 5
Sample Star Map Question
(a) Sketch in the constellations
(b) Label constellations
(c) Label the major stars
TheSky (c) Astronomy Software 1984-1998
Dr. W. Pezzaglia
West Valley College
Astronomy 11, Spring 2014
Lec #4: Archeoastronomy
Page 6