This document is under revision.
Last revised on 03-06-2014
at 16:20 and is almost complete
Do not show up for the test without a ruler, protractor, and calculator.
Test
2 will cover the material the class notes from my Chap. 3, section D ,
thru
Chap. 5, section B.
The test will also include the separate
documents "Time" and "Lunar Motion and Eclipses,"
but not the material on eclipses or sidereal
time.
Also do all the correlated readings listed
in my web page file "Readings". You are not
responsible for any of the things found
in the text readings that we have not discussed in class.
Read thoroughly
and completely the material in Ex. 5.0, 5.2, 7.0, 15.1 & 13.0
in the
Course Manual.
Study and cross-compare
the data fhat you have found for the Sun in Ex. 7.0 at the two
different latitudes.
Know the answers
to any of the assigned homework questions using the textbook. I have
changed some
of these today. See "Announcements and Assignments".
Terms (know definitions for):
Know the RA and declination of the Sun when it is at the equinoxes and solstices.
Know most of the
terms found in Appendix A, Glossary, of the Course Manual.
This includes:
Celestial equator, hour circle, right
ascension, declination, diurnal circle,
celestial poles, and circumpolar stars.
Altitude, azimuth, vertical circle, celestial
horizon, zenith distance, hour angle, and local
celestial meridian.
Zodiac, ecliptic, ecliptic poles, obliquity of the ecliptic, equinoxes, solstices.
Elongation, conjunction, quadrature, opposition
Waxing, waning and gibbous phases.
Sidereal and synodic periods.
Upper and lower transits.
Do not mix-up time units with arcmeasure units!
Motions and the Celestial sphere Topics:
Sun's apparent motion
along the ecliptic.
Changing diurnal
circles of the Sun. (Lab. Ex. 7.0).
The equinoxes and
solstices.
Obliquity of the
ecliptic, vernal equinox., ecliptic poles.
Know the RA and declination
of the Sun when it is at the equinoxes and solstices.
Cause of the Seasons,
Angle of incidence, length of daylight.
Be able to locate the Sun on the ecliptic for any day of the year.
The horizon system of coordinates and diurnal
circles (Lab Ex. 5, 5.2. Also read over sec. II of
Ex. 6.0).
Be able to measure the altitude and estimate
the azimuth of a star as done in class and also
in Ex.. 5.2.
Be able to convert decimal to sexagesimal
and vice versa.
Orbital properties of the planets
Diurnal circles and their properties (Presented
in Lecture).
Understand what diurnal circles are and
how they are related to the declination of an object.
(Ex. 5.0 )
Elongation. Phases
of the Moon. Configuration or Aspects of the Moon. (Ex. 13.0)
The sidereal and
synodic periods or months. (Read Ex. 13.0)
Given the elongation
of the Moon for a specific date, be able to calculate when the Moon
will have some other
elongation as we worked out in class.
The Lunar orbital
nodes.
Computing what time the Moon rises/sets
from its elongation.
Time of a planetary Event (Tp)
= Time the Sun does the same thing (TS) - Time for the Earth
to rotate through the
elongation of the planet, (TE).
Computing Local
Apparent Time from the hour angle of the Sun, such as in Ex. 13.0.
Local Apparent Time (LAT) = Hour Angle
of the Sun (HAS) + 12:00.
The Moon moves 13.2
degrees per day relative the stars while the Sun moves 1 degree
per day. Both
move eastward.
Hour angles must be given with direction,
E/W.
Positive HAs must be indicated with a
positive sign.
Know the RA and declination of the Sun
when it is at the equinoxes and solstices.
Questions on Motions and the Celestial Sphere (Do not ask me for answers).
01. What
is the hour angle of a star or planet when it is at upper transit and lower
transit?
02.
What is the altitude of an object when it rises or sets?
03.
What are circumpolar stars?
04.
Compare the times of sunset on the day of the winter solstice at latitudes
40 deg. N.
and 65 deg. N. (Ex. 7.0)
05.
Describe the Sun's apparent annual motion as seen on the celestial sphere.
06.
What causes this apparent motion?
07.
On what day and at what time would the Sun's altitude be its greatest value
for any given
latitude?
08.
Why does the azimuth of the Sun, when it rise or sets, change throughout
the year?
09. What is the approximate azimuth of the Sun when it
rises or sets on the first day of summer
at latitude 65 deg. N.?
10. What is the hour angle of the sun when it rises or
sets on the first day of winter and the
first day of summer at our
latitude?
20. If the Moon is at 1st quarter
on Oct. 15 at LAT=18:00, on what day and at what time will
the Moon
be at the next opposition.?
21. If the Moon has an elongation
of 45 deg. E., how long will it take the Moon to move to
opposition?
25. Draw the Moon in its orbit around
the Earth for any elongation given to you.
26.
What is the altitude and azimuth of the Sun at noon on the day of the vernal
equinox at
latitude 500 N.?
27.
What casues the RA and Dec. of the Sun to change from day to day?
42. Use the
diagram in Chapter 3, sec. D to determone the constellation in
which the Sun is located on November 22.
43. Locate
the Sun on July 21 in the rectangular star chart in Chapter 3,
sec. D
44. What is
the RA and Dec. of the Sun on July 21 as determined from the
the same chart in the above question.
Properties of the Planets and Other Solar Satellites
Comparative chemical compositions.
Planetary surface features.
The Lunar surface and chronology of the Moon's formation and evolution.
Know the properties of each of the
planets as presented in my Chapter 3.
Properties of the Lunar surface and its
chronology based on rock ages.
Physical characteristics of the Planetary
bodies
Accretion theory
Properties of asteroids, meteoroids, meteorites
and comets
Different kinds of meteorites
The parent body theory for meteorites.
Questions on the Solar System:
1. Which are
older, the Lunar highlands or maria and how has this been determined?
2. Who discovered
the planet Neptune?
3. Who made
the most precise positional measurements of the planets before the introduction
of the telescope and when was this?
4. What celestial
object did Herschel discover and when?
5. When
was the first minor planet or asteroid discovered and by whom?
6. What law
is well demonstarted by the motion of a comet in a highly elliptical orbit?
7. What
is the radius of the Solar System in AU?
8. Compare the chemical composition
of the atmosphere of a terrestrial planet
with
that of a giant planet.
9. Compare the chemical composition
of a star with a planet like the Earth.
10. List the elements in order of their
abundance in a star and in the Earth..
11. How were the lunar maria formed?
12. What group of planets
have thin, shallow, oxidized atomospheres?
13. What group of planets
have low averages densities.
14. Which planet is
more similar to the Earth, Venus or Uranus?
15. Which planets have
a chemical composition that is similar to that of a star?
16. What is a Lunar
ridge?
18. What moons are larger than some major planets?
22. What is the average
age of the lunar maria?
23. How do we know the
ages of different parts of the Lunar surface?
24. What group or class of
planets have the most moons?
25.
Approximately how many minor planets have been discovered in the Solar
System?
32.
What is a brown dwarf?
33.
Define the Kumar Limit (Chap 3A).
36.
Why are there no planetary moons closer to the planet than the rings?
37.
What are planetary rills?
40.
Give a brief description of the planet Venus.
46. Explain why some planets display more impact craters than other planets.
48. List the chronology of
events in the formation of the Moon and it's surface, such as:
a. Accreted by collisions of dust particle and other small bodies
in orbit around the Earth
b. The Lunar surface undergoes an intense meteoroid bombardment as
it accretes materilal
from the vacinity of its orbit.
c. The solid outer crust of the Moon formed after the bombardment
abates.
d. Most of the craters we now see were formed by a meteoroid bombardment
of decreasing intensity,
e. A late heavy bombardment produces large basins on the surface
that fill with lava.
These becomeb
d. The maria continue to evolve as a result of olava flows
from the interior of the Moon
e. The interior of the Moon cooled to become solid
49. Given a scrambled list
of steps or events in the formation the Moon and evolution of its
surface, be able to put them into chronological order.
50. What is regolith?
51. How did the Moon originate?
52.
Which planet has a surface covered with a rudy regolith, has numerous eroded
impact
craterrs, several large, extinct volcanoes, and a thin atomsphere of mostly
carbon dioxide
and nitrogen?
54.
What planet has a dark blue looking atmosphere with white clouds composed
of
methane crystals?
55.
Which planet has a surface that is most similar in appearnace to that of
our Moon.
56. What
is the name of the largest dwarf planet?
57. What pkanetary
body was first discovered to be covered with impact craters other than
our
Moon?
Test 2 material ends here for 2014 .
The following are not on Test 2:
Be able to draw the diurnal circle for the Sun
on the day of the winter solstice and label where
the Sun is when it rises, sets, and transtis
the LCM.Be able to draw the diurnal circle
of an
object with any
declination for a given latitude.
Be able to determine
the altitude and azimuth of a star at rising, setting, UT and LT from
a diagram of its
diurnal cirlce in the horizon system. (Ex. 5.0, 5.2, & 7.0)
How to measure altitude and declination
with a protractor, when appropriate.
Kepler's Laws of planetary motion
The relation between
latitude and the altitude of the NCP above the north point of the
horizon. (Ex. 6)
Questions on Origin
and Evolution of the Planets:
01. How do
planets cool?
02. What part
of a planet cools off last?
03. What is
the solar nebula?
10. What is
meant by the dynamic collapse of the solar nebula?
11. What is
the main idea of the accretion theory for planetary formation?
12. What two
forces acted in the solar nebula to cause the dust particles to grow into
planets?
13. What are
two sources of heat that caused the larger planets to become completely
molten?
14.
How long ago did the great meteoroid bombardment end and how do we know
this?
15.
Why are there differences in cratering on the different planets and satellites?
16.
List, in chronological order, the different stages in the growth and evolution
of the planets.
17.
What is meant by "gravitational sweeping" and what role did it play in
planetary
formation?
18. How long
did it take for dust particles to form planetesimals?
19.
Why are some planetary bodies irregular in shape and others are not?
Orgin of the Solar System and Evolution of the Planets
Read the textbook
and my Chapter 6
Accretion theory
and evidence for its validity.
Dynamic collapse
of solar nebula: Gravitational contraction and rotational flattening
Chronology of the
formation and evolution of the planets.
Planetesimals and
protoplanets
Gravitational sweeping
and the great meteoroidal bombardment
Heating mechanisms
for the planets, internal and external.
Be able to identify
a photo of our Moon or any global photo of the major planetary bodies
given in my notes or the textbook by S&A..
Nature and Laws
of electromagnetic radiation
Wavelength and units
thereof.
The groups of the
electromagnetic spectrum
Stefan-Boltzmann Law
Questions on Electromagnetic Radiation and Spectroscopy:
01.
List the different groups of the electromagnetic spectrum in order.
02.
Which is shorter in wavelength, red or infrared?
03.
To what is the ampltude of a wave related?
04.
The color we perceive for a given EM ray depends on the wavelength or the
amplitude?
Properties of Stars:
Stellar nomenclature
and catalogues.
The constellations
The solar neighborhood
Binary stars
Trignometric parallax
method & its limitation.
The electromagnetic
spectrum
The magnitude system: apparent
Know how the scale works.
intrinsic versus apparent brightness and
factors determining intrinsic brightness
Luminosity and determining factors
Questions on Properties
of Stars:
01. What is
a binary star?
02. Approximately
how many stars are there in the solar neighborhood?
03. What is
a constellation?
04. When and
where did the constellations originate?
05. The star
name "gamma Orionis" is nomenclature in whose catalog and when did
this originate?
06. If the
measured parallax of a star is 0.12 arcsecs., what is the distance of the
star in pc?
07. What is trigonometric
parallax?
08. What is the
maximum distance a star can have and yet its parallax can be reliably be
measured?
09. What is a parsec?
10. What is the
heliocentric distance of a star that has a measured parallax of 0.003 arcseconds.?
11. What is
the apparent magnitude of the faintest stars that the unaided can see?
12. What is
the brightess ratio of 2 stars that differ in brightness by 1 magnitude?
13. What is
the magnitude of a star that is 100 times brighter than magnitude 12.5?
14. Star A has apparent
magnitude m = 7.05 while star B has m =9.05. Which star is brighter
and by how many times?
16. What
is the difference between apparent brightness and intrinsic brightness?
17. What are
the physical properties of a star that determines its intrinsic brightness