Terrestrial Planets
Winter 2023

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  Overview/Syllabus

 

 

 

 

 

Professor:       Olivia Jensen     ( course e-mail      web service     short bio )
TAs: Jacob Asomaning, Bonnie De Baets, William Fajzel, Amy Lu, Emily Mick, Kevin Ng, Jared Splinter
Section 001 CRN 2591
Time: 11h35 to 12h55, Mondays and Wednesdays, Jan 4 - Apr 13, 2023 excepting Feb 27, Mar 3 and April 10.
Place:  McConnell Engineering 304 and online via myCourses if/when necessary
Audio/Video files (Current sessions): See myCourses website for Lecture recordings, PowerPoint and Video formats

 

 

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Syllabus

This course will be delivered in-person in McConnell Engineering 304 or online via ZOOM when necessary due to possible Covid-19 restrictions. If lectures cannot be delivered in the classroom due to McGill restrictions or because I am ill or in quarantine, they remain available as pre-recorded lectures or as ZOOM sessions held at the normal course lecture times. The pre-recorded lectures are available in *.mp4 format via Content > Lectures Videos (pre-recorded). I also provide pre-recorded PowerPoint lectures in *.pptx format via Content > Lectures Powerpoints (pre-recorded) and the PowerPoint slide set of the lectures without narration in *.pdf format via Content > Lectures PDF slideset. ZOOM sessions will be recorded. Links to recorded ZOOM sessions will be published on the myCourses site via the ZOOM link and Lecture Recording in the navigation panel and via the Content link: Content > Zoom session recordings. For the ZOOM sessions I would normally be connecting from my home in the Laurentians. My home bandwidth is very tight: 600kb/second upload. Internet quality may sometimes be poor; you should look to the News and Highlights page to learn of any special connectivity problems that I might be facing. In any event, the pre-recorded lectures can substitute for failed in-person or ZOOM lectures

Method of Evaluation: You are not obliged to write a term paper or to do four of the six on-line term-work study quizzes, but you must do one or the other to count for 50% toward the term-work component of the final grade. You may use only one choice or the other for the 50% term-work grade. For most people, the quizzes have given the better raw mark but as we adjust the marks of the term-papers to the same average as attained by the cohort of quiz grades, there should be no disadvantage in writing a paper. Still, even if you write a paper, you should do the quizzes as they help you focus on the expectations of the course as they will be tested on the final exam. The (hopefully) online final exam will contribute the remaining 50% to the course grade.

Term paper in lieu of the 4 of 6 study quizzes: If you choose to submit a short term paper (with text body less than 1000-words) in a formal scientific article style with proper referencing of sources, it will be due on March 31, 2023. TAs will be available or assigned to help you with your term papers. Papers are to be submitted on-line in either *.doc, *.docx or, preferred, in *.pdf formats. You may submit your paper via the Navigation Panel > Assignments. Late papers will be penalized at 10%/week (i.e. 0.5 marks/day to a maximum of 5 marks/week). If you do submit a term paper, it is normally that paper that will count for 50% of your grade, but if your quiz grades are higher, we shall accept the quiz grade for term work.
On the Study Quizzes: There will be 6 on-line “Study Quizzes” offered, a new one given every second week during term; your best 4 can be counted for the term-work component of grade. Moreover, there is a practice quiz posted on the myCourses site for you to try a few times and to help you become familiar with the method for accessing and submitting quizzes. This practice quiz will be left available for your continuing practice throughout the term. The first of the Study Quizzes (Quiz #1) will be posted on Friday, January 20 at 00h00 for completion by midnight the following Sunday. Exceptionally, you will be free to do this quiz twice and the best of your 2 grades will be recorded for Quiz #1. For the following quizzes, you are given only one try. Thereafter, new quizzes will be posted every second Friday morning. These quizzes will be open on Feb. 3, Feb. 17, Mar. 10, Mar. 24 and Apr. 7 at 00h00; they close the following Sunday at 23h59, Montreal local time. That is, the online study quizzes are open for your access during a period of 72 hours. The last ( April 7 ) of these serves as a whole-course tutorial review that may be used as a study aid for the final exam; it will remain open and available through until the morning of the day of the final exam. You might wait to do it until a day or two before the final exam when you have already done some exam preparation.
You should try to review your notes before attempting the online quizzes as they are time limited and you won't have time to look up answers on the web. You will normally have only 20 minutes (with 3 minutes grace time) for each study quiz. Students with disabilities who can present a note from the SAA office to that effect will be given additional time as they require. You must register with the SAA office who will normally e-mail me to effect your access to these quizzes. If you can't follow this schedule for the online quizzes or would prefer otherwise, you can write the term paper (due on March 31) for the term work's 50%. You can no longer, under current Faculty of Science rules, write the final exam for 100% of your grade.
If you choose not to write the term paper in favour of the study quizzes, the best 4 will contribute 50% to your final grade. Each on-line study quiz will require you to be computer-connected to the myCourses website, best through a McGill wireless or LAN connection or via McGill VPN, during a period of 20 minutes, anytime, within the 72-hour time window which starts the Friday morning at 00h00, remaining open until midnight the following Sunday. You need only log-on within that accessibility window to access the 20-minute quiz. Each quiz will comprise 30 multiple-choice, true-false or ordering questions. You should try the practice quiz a few times in order to learn how to use the system. Note: An online quiz cannot be re-opened for those who miss a quiz during the 72-hour time windows for any reason at all (including severe illness, dogs that have eaten your computer – anything!). There are, however, 6 opportunities to take quizzes and you only need 4 completed for a full term-work grade. If you have continuing technical problems while trying to do the online quizzes, consider submitting a term paper instead on March 31; it will be preferentially counted toward the term work. Use the practice quiz as often as you like in familiarizing yourself with the procedures.
On the Final exam The final exam will be served online and scheduled. The final exam contributes 50% to your final grade. Note, you can no-longer write a final exam for 100% of your grade: Do the quizzes or write a term paper! You must write the final exam to receive a grade in the course. If you know that you cannot sit the exam, you should withdraw from the course now. This year's online final format: The exam will use multiple-choice, true-false and matching questions mixed, with 20 written response short-anwer questions. It will be scheduled for a 180-minute completion time with an additional 90-minute over-run grace period that should accommodate any internet connectivity problems. It will be accessible during a window of 72 hours but your time “on quiz” will be limited to the 180 minutes plus 90 minutes of grace/overrun time. If connectivity fails, you should be able to restart myCourses and “continue” the quiz from where you left off.
On final course grades... Class average final grades during past years have fallen into a range of high B to low B+, about 75%+. In order to achieve this average, grades may be fairly curved but only upward if necessary to obtain the 75% class average. Given the online format and the extended time allowed according to McGill rules for online exams, it is not expected that any upgrading will be necessary.
Course expectations are not extremely high in the sense that this course traditionally offers somewhat higher average grades than most in-program courses. However, the grading is strict, fixed and non-negotiable. Typically, in past years, more than 25% of students have received a full A grade and another 25% an A- grade. Almost nobody fails the course if they do the required tasks – term paper or 4 study quizzes + final -- though some students have managed to get D grades. Note that a D grade obtains a Fail if the course is taken Pass/Fail but I expect that with the curving no student who has honestly applied themselves to the course will receive a grade lower than C.

Students who can and who fear for their grade are encouraged to consider taking the course on a Pass/Fail basis if their program so permits. You should note, however, that a D grade according to the normal grading scheme would qualify as a Fail on the Pass/Fail basis. In defense against a D-Fail, you should note on your final exam that you are taking the course Pass/Fail if you are.

You normally have to register for the course as being Pass/Fail before the Add/Drop deadline mid-January. See your program advisor.

Textbooks... No textbook is required for the successful completion of this course. The course Noteset suffices but, should you be interested in having a good reference for the course, I suggest, first of all, The Cosmic Perspective (Bennett et al.). Alternatively, you might consider The Solar System (Seeds and Blackman)




Cosmic Perspective

ISBN: 9780134874364, 0134874366
Format: Paperback, eBook
Publisher: Pearson Education
Pub. Date:
Jan. 2020
Edition Number: 9

Online edition from VitalSource




The Solar System

ISBN: 9781305804562, 1305804562
ISBN-10: 1305120760
Paperback,eBook
Publisher: Brooks Cole
9 edition (January, 2016)

Online edition from VitalSource





The Cosmic Perspective has been ordered; it should be available in paperback at the McGill bookstore and at Paragraph Books on McGill College in its latest Edition 9. Editions 4 through 8 used in term courses at McGill recently and used copies might be available... The Solar System has not been ordered for the class. While the information about the Universe, Solar System and Planets is continually being updated, used earlier editions of these texts are still useful references for the course. Neither is “required”. The Online editions may well serve you.
Help/Questions regarding course -- “on-line office hours”:
Office hoursare on-line. I can usually respond to your questions within a day. Please use the following address for course-related e-mail as this will separate course e-mail from my normal clutter: terrestrial.planets@gmail.com
"Desperate?... Call me! I am available for desperate calls.”
Olivia Jensen
F.D. Adams #130D
tel: office: 514 398-3587 home: 450 224-2721
Following each online class, I shall try to remain available for ½ hour to answer pressing questions. Also, the last 10 minutes of each class will be reserved for open questions from the class -- please feel free to remind me when the clock ticks to 12h40. Also, I encourage you to e-mail questions to me during the evening preceding the next class. I will choose to answer one of these questions before opening to questions from class. I would prefer that you contact me via terrestrial.planets@gmail.com rather than asking the TAs for clarification of course materials but as you may have some need of advice or help from them, their e-mail address links are here:
TAs:
Web links:  Olivia Jensen will maintain a listing of links to the various Worldwide Web sites she might mention in this course on the “News and highlightscourse page. You might also look to the “Websitespage.
Course URL node addresses:
https://www.eps.mcgill.ca/~courses/c180/2023-Winter
http://132.206.152.32/~olivia/TP/2023-Winter/
https://132.206.152.12/~olivia/TP/2023-Winter/ Not updated daily....


The fine print ( read this carefully !):


McGill University values academic integrity. Therefore, all students must understand the meaning and consequences of cheating, plagiarism and other academic offences under the Code of Student Conduct and Disciplinary Procedures (see www.mcgill.ca/integrity and Rights and responsibilities at a glance for more information).

In accord with McGill University’s Charter of Students’ Rights, students in this course have the right to submit in English or in French any written work that is to be graded.

L'université McGill attache une haute importance à l’honnêteté académique. Il incombe par conséquent à tous les étudiants de comprendre ce que l'on entend par tricherie, plagiat et autres infractions académiques, ainsi que les conséquences que peuvent avoir de telles actions, selon le Code de conduite de l'étudiant et des procédures disciplinaires (pour de plus amples renseignements, veuillez consulter le site www.mcgill.ca/students/srr/honest/ ).

Conformément à  la Charte des droits de l’étudiant de l’Université McGill, chaque étudiant a le droit de soumettre en français ou en anglais tout travail écrit devant être noté.




The Lecture Series


First lecture (January 4 will be recorded): Course outline, introduction of self and screening of short videos:

1. Harvard Commencementa film that should bring you to feel that you are already as knowledgeable about seasons as Harvard graduates: A private universe. An explanation of seasons and Earth's orbit. More: Do you know that the shortest day of the year does not include both the latest sunrise and earliest sunset? See the cycles of the Sun and Moon. Do you know how to tell time and read a calendar? Also here! This interesting (and correct) video was produced by the VSauce guys.

2. Cosmic Collisions a NASA/AMNH film. I usually play an authorized copy of this video at the start of class but this year, I cannot offer you an online version. Otherwise, you might look for this video on the web... but note, several different videos with this title are published on YouTube; they are mostly interesting and relevant but I have not been able to find this particular video in the group. This is the trailer to the AMNH film and the only reference I could find on YouTube.

3. For homework, I suggest you take the time to view the video entitled Different Worlds (BBC series The Planets); BBC sometimes pulls this video from all the internet sites that I can find. As of the beginning of this course, it is accessible. You might also view this mystical ride through the Universe: The known universe by AMNH.

January 9 to April 13 (25 classes): (Note, the order is followed -- it is the same ordering as in the course noteset -- but each listed topic does not correspond to a single or whole lecture.)

  • Creation hypotheses, the age of Earth (and the Solar System)

  • Suggested online videos: The Big Bang to the Present Day, The Big Bang , The Expanding Universe on YouTube. The concept of distance is complicated: see Faster Than The Speed Of Light (1): The Universe - Created Out Of Nothing? and Faster Than The Speed Of Light (2): The Expanding Universe on YouTube for an attempt at an explanation of the “origin, age and sizeof the Universe. You might look into the Cassiopea Project (on-line Science education) which served the first video in the list preceding.

  • How do we “ know” the “ age of the Universe? Hubble constant and age of the Universe

  • Stellar evolution – A cute cartoon: The Largest Stars; Stephensen 2-18

  • The condensation of the solar nebula – formation of the Solar System. Suggested online video: The Expanding Universe (The Planets) in 6 parts on YouTube; you may access them now with search string [ 1of6 The expanding universe the planets ] Some of this video is dated in its information... (e.g. a 12 billion year age for the Universe) but for the most part, the story holds.

  • Early thermal evolution and differentiation of Earth and the terrestrial planets

  • The present Solar System (a quick tour of the planetary system); Exoplanets.

  • Asteroids, comets, meteorites and the recently discovered and now visited Kuiper objects

  • Hazards – cometary and asteroid impacts on Earth

  • Orbital dynamics – Kepler's Laws

  • Study week Feb 27 and March 3: lectures cancelled

  • Most of the Universe is Missing – A BBC Video (Is Newtonian gravity the problem or is there a lot of unseen dark matter?). A precis of the transcript of this BBC Horizon program is linked here . This video will be shown in its entirety in class.

  • Dynamics of the solar-planetary system: orbits, rotations, spin-orbit coupling. The moon, tides (body and ocean) and the history of Earth's rotation

  • Rotational dynamics, precession, nutation and wobble

  • Physical properties of the terrestrial planets: isostasy, gravity field, density distribution, thermal regime, etc.

  • Planetary magnetism: evidence for a fluid core and the self-excited geodynamo

  • Tectonics, the effect of heat flow, thermal conduction and convection on Earth and other planets and moons

  • Seismology and the structure of Earth's interior, the Moon's interior, Mars interior?

  • Overview of the geological and geophysical differences among the terrestrial planets

  • A review tour of the planets and moons of the Solar System and beyond.

  • Current space missions – a review of what is happening now.... a web tour and discussion...

  • Astrogeology, mineralogy and surface condition of the terrestrial planets and moons of the giants. What can we infer about the interiors of the hard-surfaced bodies of the Solar System from surface features... The search for life elsewhere in the Solar System

  • Lectures are cancelled on April 10; last lecture April 13 with another video: Video 2 of The Planets Series – Terra Firma (BBC/A&E) If still available online this video should be a useful overview preceding the final exam...

  • The final exam: Not yet scheduled – I may have no influence whatever on the scheduling.

 

 

  Overview/Syllabus

© Olivia Jensen, McGill University
Images: Courtesy © NASA/JPL

Concept:: Witold Ciolkiewicz
updated: 2019-12-15 12:37:57