ASTRONOMY
161
(Last revised: August 19, 2008)
|
Class
time: 10:10
- 11:00 a.m. MWF
|
Sections:
161007, 161008 |
|
Term:
Fall 2008 |
Lectures
Classroom: Physics
415
|
|
Lab
times: See the Physics
Dept. Fall
Timetable |
Laboratory Room: Physics 507 |
|
Professor:
Dr. Stephen J. Daunt (short bio) |
Office: Physics 218 |
|
Office
Phone: 974-7847 or
-7850 (SERF 603 lab) |
Office
Hours: 9:00-10:00
p.m. MW |
Textbook: "Astronomy Today" (Sixth Edition), Vol. 1: The Solar System, by Eric Chaisson and Steve McMillan
Student Companion Workbook: " Online Journey Through Astronomy: The Solar System"Lab Book: "A Laboratory Textbook for Introductory Astronomy" by Kermit E. Duckett
Tests:
There will be both daily quizzes and period long exams this semester.
The 5 minute daily quizzes will be one or two short questions on the
lecture material to be covered that day. Your reading and note
preparation should make these easy for you to answer. They will be
handed out at the start of each lecture. If you are late you will miss
them and they will not be made up.
The four
period long exams will be mostly
objective
questions (T-F, multiple choice, matching,
fill-ins)
with some essay questions for extra credit.
The
lowest of the four grades will be dropped.
Only
extreme medical or family
emergencies (with written proof) are reasons for any type of
extra-normal
arrangements. Do not plan
vacations, long weekends, or other personal
absences
without checking the Daily Syllabus and talking with me first to be
sure that
you will not be missing an exam or an especially important lecture.
Grading: The breakdown will go like this for your base grade:
|
Lab grade |
25 pts. |
|
Participation
|
15 pts. |
|
Period Quizzes (drop the lowest) |
60 pts. |
|
Total (Base grade) |
100 pts. |
Extra credit
items add to the base grade
calculated above. One point is given for each well written video or
article
report. Two different supervised trips [roof (solar, night),
planetarium, eclipses,
meteors,
etc.] plus their typed reports add five points total. Mentored research
papers can
add up to a full letter grade depending on the quality and work
effort.
The grading
scale
is the usual one of A ³90, B+ ³85, B ³80, C+ ³75, C ³70, D ³60, and F <60. FX is for those who
stopped
attending or never attended (Among first year students
that
is an unfortunate but common occurrence.). UTK has now added
minus grades as well.
Attendance is
taken daily. Seats are assigned to speed up taking attendance as well
as to try
to get to know your names. This way I am aware of who is participating
via
their attentiveness, questions and involvement in discussions during
class. If
you are unable to come to class please let me know why. You can either
tell me
in advance before or after class, during office visits or by email.
This
enables me to record that good reason why you are absent on my
attendance chart.
A
Cautionary Note: Please put your cellphones on
vibrate or turn them off before entering the lecture hall. Although
your ringtones may be interesting and
costly to you the rest of
us don’t need to be interrupted by
them.
It is also very important that you try to do your observing as early as possible since bad weather usually causes many cancellations of the extra credit sessions. This causes many students to miss their chances for extra credit. One solar session wil be considered for extra credit. A stamped form from Mr. Lewis PLUS a one page typed essay description of your observing trip should be handed in to me for you to get full credit.
We also arrange special trips to the Heritage Planetarium in Maryville for shows relevant to our course material. These will be announced well in advance in class and on the newsgroup.
You can also
watch
astronomy videotapes in the Astronomy Reading Room on the mezzanine
floor of the Physics building at any time that you
have
available and the room is open (usually 8 a. m. - 11 p. m.). You will
need to
see me before or after class in my office to obtain course relevant
video tapes to watch.
A two page typed report on what
you have watched should be submitted to me for grading. The
subject
of a video must relate to the material covered during this semester,
e.g.,
planets, moons, comets, asteroids, the search for life in the universe.
(NOT material on stars,
supernovae, black holes galaxies,
etc. – those are the subject
matter for the Astronomy 162
course.)
You may also (with advance permission from me) do a research paper relating to material covered this semester but in much greater depth. The topic will usually be something that relates to your major or personal interests. You will be expected to meet with me about once a week to discuss your topic, references, outlines and drafts as you pursue your topic. A minimum of 10 outside references (articles in journals and books) are required and the paper must be 15 typed pages of text. This is a lot of work but an excellent paper will add a full letter grade to your final evaluation and bring you much personal satisfaction in learning about how astronomy and your interests coincide.
FOR MORE DETAILS USE EXTRA CREDIT BUTTON ON PREVIOUS WEBPAGEMaterial to be covered in Astronomy 161:
Chapter 1 Charting the
Heavens: Orders of
magnitudes; powers of ten, exponential and scientific notation;
scientific units, fundamental constants, speed of light, distance
units,
smallest and largest components of
universe,
periodic
table of the elements; angular measure; Constellations, celestial
coordinates,
seasons,
solstices,
equinoxes, time keeping and calendars;
phases of the Moon, tides, eclipses.
Chapter 2 The
Copernican Revolution: Ancient
astronomy
of Egypt, Babylonia and Greece, Ptolemy
and the
Ptolemaic
Universe, epicycle model of planetary motion, Aristotle and uniform
circular
motion, Eratosthenes and the size of the Earth, Aristarchus
and other important Greek philosopher-scientists;
Astronomy
in
Islamic countries, India, and China; Archaeoastronomy:
Mayan and other Native American astronomy, Neolithic astronomy,
Stonehenge;
Copernicus
and the Copernican revolution, Tycho Brahe, Johannes Kepler, Kepler's
laws, Galileo,
Isaac Newton, Newton's laws and
orbital
motion.
Chapter 3 Radiation: Electromagnetic (EM) radiation, blackbody (BB) curves; Radiation laws: Stefan-Boltzmann law, Wien’s law, Planck’s law; the electromagnetic spectrum: discovery of its regions (radio, IR, MW, visible/optical, UV, X-ray, gamma ray); the Doppler effect: velocity and direction determinations; Temperature scales: Fahrenheit, Celsius/Centigrade, Absolute/Kelvin.
Chapter 4 Spectroscopy: Types of spectra: emission, absorption, continuous; Kirchhoff’s laws; Atomic spectral lines as a tool of science; Einstein; the photoelectric effect; Quantum mechanics and atomic structure; the Hydrogen atom spectrum; the formation of spectral lines; Molecules; spectral-line analysis.
Chapter 5 Telescopes: Optical
observatories, atmospheric windows, basic
optics, lenses & mirrors; Types of
telescopes:
refractors, reflectors, catadioptrics; Telescope optical designs:
Galilean, Keplerian, Newtonian, Cassegrain
and others; Telescope
mounts:
equatorial,
alt-azimuth, Dobsonian; Resolution and
light gathering power; Atmospheric
Problems for astronomers:
weather, light
pollution, atmospheric turbulence (seeing/scintillation/twinkling) ; Important
telescope pioneers and milestones in astronomy:
Galileo, Newton, William Herschel, Lord Rosse
(the
6’
Leviathan), Percival Lowell
(Lowell Observatory, AZ); Clark & Sons
(36”
Lick refractor in CA), George Ellery Hale (40” Yerkes
refractor in WI, 60’ Carnegie and 100” Hooker reflectors at Mt. Wilson
in CA,
200” reflector at Mt. Palomar in CA); New Technology Telescopes (NTTs): Multiple Mirror
Telescope (MMT), Subaru, Gemini North and South, spin-cast mirrors; Space
observatories:
(Hubble, Webb/NGST, SIM,
TPF, LF and others); Detectors: eye,
film,
photoelectric, CCD's; Photometry; Spectroscopy;
Adaptive
optics:
reduces or removes
turbulence effects using sophisticated optical and computer methods; Sky surveys:
Palomar, Sloan DSS, 2dF, 2MASS and others; Long and short
wavelength space observatories: IUE,
SIRTF,
Chandra, Compton, ROSAT, XMM and others; Ground based long wavelength
astronomy: IR,
MW, radio; Interferometry: Albert
Michelson, optical interferometers (Mt. Wilson, Keck,
Palomar and many others) and radio interferometers (VLBI, Greenbank(WV),
Merlin, Westerbork, VLA, VLBA and many
others) .
Chapter 6 The Solar
System: Comparative planetology; solar
system basics (planetary radial distances,
orbital periods, rotational periods, masses, densities); Terrestrial
and Jovian planets, interplanetary matter
(gas, dust, ices,
asteroids, comets); Planetary
space missions;
Theories of
solar system formation; Nebular
hypothesis of Laplace;
Observations of
solar system formation, protoplanetary
disks (proplyds), gravitational contraction, angular momentum,
accretion,
condensation and
temperature.
Chapter 7 Earth: Properties:
orbital and physical;
Interior structure; Geologic activity:
plate tectonics, earthquakes, volcanoes, geysers; tides, Atmosphere:
composition (N2 and O2),
layers (troposphere, stratosphere, mesosphere, ionosphere, exosphere),
global
warming/greenhouse gas problems, chloroflurocarbons
and the ozone hole problem; Magnetosphere:
origin, Van Allen belts, auroras, solar-terrestrial interactions.
Chapter 8 The Moon and
Mercury: Lunar Properties: orbital (sidereal
and synodic
periods, synchronous rotation, librations)
and
physical; Surface
features: maria, highlands, craters, mountains,
valleys,
rilles; Lunar missions:
Russian & American programs, Apollo;
post-Apollo, geological analysis of lunar rocks, chronology of the
lunar
surface, lunar interior structure; recent and future lunar missions; Origin theories:
fission, co-accretion, capture and collision; Mercury's
Properties: orbital
and physical,
Mercury's synchronous rotation, tidal locks/spin-orbit coupling; Surface features:
mountains, craters, maria,
rilles, scarps, hot spots under surface,
volcanism,
ice in craters at the poles from comet crashes; Internal structure: large
molten metal core; Atmosphere: trace
amount; Magnetosphere:
unexpected but exists;
Missions:
Mariner 10 and Messenger.
Chapter 9 Venus: Properties:
orbital and physical; Earth’s
“sister” planet, brightness, retrograde rotation; Surface features of
Venus (Aphrodite Terra, Ishtar
Terra, Maxwell Montes, volcanoes, craters, pancake domes, tesserae,
arachnoids); Atmosphere:
properties,
dense (90 times Earth’s pressure) CO2
atmosphere, sulphuric acid clouds, runaway
greenhouse
effect; Missions:
Mariner 10, Venera missions (USSR),
Pioneer Venus, Magellan, Messenger.
Chapter 10 Mars: Properties: orbital and physical; Historical observations; Surface features (Valles Marineris, Tharsis Ridge, Olympus Mons, giant volcanoes, polar ice caps, craters, plains, dried lake beds and water channels); Atmosphere: thin CO2 (1% of Earth pressure), dust storms; Satellites: Phobos and Deimos; Missions: Mariner series, Viking 1 and 2, Pathfinder/Sojourner, Mars Global Observer, Spirit and Opportunity of the Mars Exploration Rover project, and others in the future; the search for life on Mars.
Chapter 11
Jupiter: Properties:
Orbital and physical of the largest planet;
differential rotation; Atmosphere:
composition
(mostly H and He with trace gases of importance), belts and zones,
cyclonic
storms, Great Red Spot; Internal structure:
differentiated, molecular hydrogen, liquid metallic hydrogen, rocky
core; Magnetosphere;
internal heat source; Satellites and
their features: Io, Europa,
Ganymede, Callisto, Amalthea
and many others, volcanism, tidal forces, geological activity,
atmospheres and
magnetospheres, life on Europa? Jovian rings.
Chapter 12 Saturn: Properties:
Orbital and physical; Atmosphere:
composition and features; Internal
structure; Magnetosphere;
internal heat source; the ring system, composition,
the Roche limit, Cassini division and Encke gap, resonances, shepherd satellites,
moonlets,
origin of rings; Satellites: Mimas, Enceladus, Tethys, Dione,
Rhea, Titan,
Hyperion, Iapetus, Phoebe and others,
their surface
features and properties; the exploration of Titan’s
atmosphere and surface by Earth based observatories, satellites, the
Voyager and Cassini/Huygens missions.
Chapter 13 Uranus,
Neptune and Pluto: Properties:
Orbital and physical; Discoveries of
each: Uranus by W. Herschel (1781), Neptune
predicted by J. C. Adams and U. Leverrier
then
observed by Galle (1846), Pluto by C. Tombaugh (1930); Atmosphere:
composition and features (clouds, zonal structures, Great Dark Spot on
Neptune and other features); internal structures; Ring systems of
Uranus and Neptune; properties and sizes of the
rings; Satellites of each
planet:
Uranus (Miranda, Ariel, Umbriel, Titania,
Oberon), Neptune (Triton, Nereid and others), Pluto (Charon);
Magnetospheres, tilts
to rotational axes, origins and sizes.
Chapter 14 Solar System
Debris: Asteroids:
discovery types and compositions; the asteroid
belt, orbital resonances, Kirkwood gaps; Trojan asteroids; inner solar
system (Amor, Aten,
Apollo families)
asteroids; Earth orbit crossing asteroids (NEAs)
and
danger of collisions, craters on Earth from historic crashes (Barringer, Manicouagan,
Odessa, Chicxulub and other craters), Torino
impact scale, the death of the dinosaurs and other mass extinctions in
the
geologic record; Comet
structure:
coma,
hydrogen cloud, ion tail, dust tail, nucleus; chemical composition and
structure; origin models; Oort Comet
Cloud; Kuiper Belt; famous comets (Halley,
Hyakutake,
Hale-Bopp, and others); missions to comets (Giotto, Vega 1 & 2, Deep Space 1, Stardust,
Deep Impact
and others); comet crashes as possible origin of oceans, organic matter
and
life? Meteoroids; types
of
meteorites (irons, stones, stony irons, carbonaceous chondrites);
meteor showers and their associated comets; radiants;
historic meteorites (Murchison, Allende,
Wabar, Ahnighito
and
others); amino acids in meteorites; the Tunguska Event in Siberia
(1908).
Chapter 15 The Formation of Planetary Sysytems: Solar system formation models; terrestrial and Jovian planet formation; giant planet migration; angular momentum problem; the asteroid belt; the Kuiper Belt and plutinos; catastrophe models; the discovery of extra-solar planets, observational techniques, brown dwarfs or planets? Searching for Earth-like planets.
Chapter 28 Life in the Universe: Physical models for the origin of life on Earth and other planets; organic chemistry, amino acids, DNA & RNA; Urey-Miller experiments; life in extreme environments; life on Mars, Europa, in other star systems? the recent discovery of other planets and solar systems; radio astronomy, SETI, the Drake equation.