NATS 1740

Astronomy

York University

A discussion of our present understanding of the universe and its constituents. Topics include the structure and evolution of the planets, stars, galaxies and the universe as a whole.

24HR Notes for NATS 1740

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Michael De Robertis, Alireza Rafiee

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NATS 1740 Lecture Notes - Fall 2018, Lecture 37 - Planetary Migration, Hot Jupiter, Giant Planet
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NATS 1740: 28 November 2018 10.3 THE FORMATION OF OTHER PLANETARY ...

Natural Science
NATS 1740
Michael De Robertis, Alireza Rafiee

NATS 1740 Syllabus for Michael De Robertis, Alireza Rafiee — Fall 2018

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Division of Natural Science
http://natsci.info.yorku.ca/
Course Outline
NATS 1740 6.0 A, Astronomy
FW 2018-19
MWF 10:30 – 11:30 AM LAS C
Course Instructor(s) and Contact Information
Course: SC/NATS 1740 6.0 – Astronomy
Course Webpage: https://moodle.yorku.ca/moodle/course/view.php?id=140394
Term: FW 2018-19
Course Credit Exclusions: SC/NATS 1880 6.00, SC/NATS 1570 3.00. NCR Note: No credit
will be retained if this course is taken after the successful completion of SC/PHYS 1070 3.00.
Not open to any students enrolled in the Astronomy stream
Prerequisite / Co-requisite: N/A
Course Instructors
First Term (Fall): Second Term (Winter):
(Dr.) Michael De Robertis (Dr.) Alireza Rafiee
Ext. 77761 Ext. 30321
Petrie Science & Engineering Bldg. 326 Chemistry Bldg. (CB) 318
Office Hours: Wednesdays, 1:30 – 2:30 pm Office Hours: TBD
Time and Location
In addition to the in-class opportunities to ask questions, including after lectures, there will be
an opportunity for students to discuss critical course-related or personal matters during Office
Hours or via email with an Instructor. An Online Discussion Forum facilitated by a Teaching
Assistant (TA) will always be available to ask course-content related questions. It should be
noted that there will be a final exam, in person, on campus at the end of each term the details
of which are given below.
Contacts and Communications
A student’s success in any course depends critically on their level of engagement,
which requires clear and consistent communications with the relevant TAs and
Instructors.
The primary vehicle for communications in this course is the Course (Moodle) Website
to which a student should refer regularly. The course website will be updated
frequently and will contain all pertinent administrative and curricular information; e.g.,
assignment deadlines.
The first level of communications in this course outside of the lecture time is through
the Discussion Forum on the course website. A Discussion Forum allows students to
discuss course-related issues, primarily with other students, but also with TA(s)
Faculty of Science
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assigned to the Forum.
The second level of communication is via email. Students who for whatever reason
prefer not to use the Discussion Forums can contact their TAs and instructor via the
email address: [email protected]. It is strongly recommended you use your
“my.yorku.ca” account when sending email. Experience has shown that email to/from
an external email address may not always arrive successfully through no fault of the
sender. Email responses will normally be sent within 24-48 hours. Please note
though that if a question is course-content related (no personal content), it should be
posted to the Discussion Forum so both the question and its answer can be shared
with the class as a whole. Questions raised on email that already have been
answered on the Discussion Forum may not receive a response.
Regular Course Announcements from the course instructors will keep you informed on
important dates, administrative aspects of the course and the occasional media-
oriented story relevant to the course.
Students who require face-to-face meetings with the Instructor should make use of the
Instructors’ Office Hours or book a personal appointment via [email protected] .
All members of the course – students, TAs and instructors – should adhere to
“common sense” NETiquette guidelines to communicate effectively and courteously
online, including:
The use of a reasonable ID; e.g., “D. Lee” and not “Joker47”
A specific and relevant subject line
The use of appropriate language, avoiding rudeness, vulgarity and sarcasm
Being concise
Expanded Course Description
Natural Science (NATS) courses are designed to provide an opportunity for non-science
students to gain familiarity with the nature of science, its practices, applications and social
ramifications which are essential requirements for any fully literate individual of the 21st
century. NATS courses also enhance important critical thinking skills, including those
associated with basic numeracy and scientific literacy.
NATS 1740, Astronomy, acquaints students with the most interesting topics in astronomy,
from the historical development of ideas about our universe through to the modern-day
search for exoplanets and the origins of our universe itself. Some fundamental concepts in
physics are discussed at an appropriate level to allow a deeper understanding of the world;
for example, how planetary systems form, how stars evolve and how the large assemblies of
stars in galaxies are maintained. Finally the expanding universe and the Big Bang theory are
explored, along with a discussion of dark matter and dark energy. If time permits, a
discussion on the possibilities of life beyond Earth (the science of astrobiology) will occur.
Course Learning Outcomes
Upon successful completion of this course students should be able to:
1. Explain the scientific method, to communicate basic scientific ideas clearly and
concisely both orally and in writing.
2. Discuss the differences between the ancient and modern models of the structure
of the universe and appreciate why the modern model has more predictive power.
3. Describe the significant events that have occurred in the history of the universe,
including the Big Bang, the formation of the Solar System and the development of
life on Earth.
4. Discuss the nature and characteristics of the principle elements of the universe,
namely planets, stars and galaxies.
5. Demonstrate critical thinking and reasoning in developing ideas and in assessing
reference sources, as well as to criticize constructively.
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Evaluation
Grading Information (1740)
The final grade for NATS 1740 6.0 will be based on the following items weighted as indicated:
Assessment tasks Details Weighting
(%)
Group Assignments (GAs)1 Total of 8: 4 per term 12.5
Individual Assignments (IAs)2 Total of 4: 2 per term 10.0
In-Class Questions (ICQs)3 During each class, a few
questions must be answered
using a smart device
10.0
Unit Completion Assignments (UCAs)4After each Unit (consisting of one
or more chapters), a series of
multiple choice questions must be
answered on the Moodle website
10.0
Observing Project An observational assignment to
encourage familiarity with the
night sky
7.5
End-of-term Examination (Fall)5
(Scheduled by the Registrar)
December: Chapters 1-10, ~120
multiple choice; on campus
25.0
End-of-term Examination (Winter) 5
(Scheduled by the Registrar)
April: Chapters 11-19, ~120
multiple choice; on campus
25.0
Total 100.0
1The Group Assignments (GAs) will require each group of students to complete collaboratively an
assignment in class on selected Fridays. The aim of each of the 8 assignments will be to further
enhance the understanding of certain key topics in the course. The total weight of all 8 assignments is
12.5%. The GAs are subject to the “80% Rule.” This means that only the best 80% of these
assessments (6 of the 8) will count towards the overall grade. This allows students to miss up to 2
GAs (e.g., due to illness, forgot to submit, etc.) in the year without suffering negative consequences
and without having to supply formal documentation. No make-up options for missing any GA will be
available.
2The Individual Assignments (IAs) will require each student to research a topic and report their findings
in their own words in their submission. There will be a total of 4 IAs offered (2 per term). To assist in
the preparation of the final submission, a “draft” submission normally will be assessed by 2 anonymous
student peers to provide feedback on the content, format, clarity and overall composition prior to the
final submission date. Adequate time will be provided between the “draft” submission responses and
the final submission date. The aim of each of the assignments will be to further enhance the
understanding of certain key topics in the course. Only the best 3 of the 4 IAs (in essence, the 80%
rule) will count towards the overall grade which has a total weight of 10.0%. No make-up options for
missing any IA will be available.
3During lectures, a series of multiple choice questions will be posed by the lecturer and answered by
the student using an app on a smart device (about which more information will be provided elsewhere).
This will provide real-time feedback on students’ understanding of key concepts. The total weight of
the ICQs is 10.0%. The ICQs are subject to the “80% Rule.” This means that only the best 80% of the
questions posed will count towards the overall grade. This allows students to miss up to 20% of the
ICQs (e.g., due to illness, forgot to submit, late to class, etc.) without suffering negative consequences
and without having to supply formal documentation. No make-up options for missing any ICQs will be
available.
4Unit Completion Assignments (UCAs), held on Moodle at the end of each unit, are all subject to the
“80% Rule.” This means that only the best 80% of each of these multiple-choice assessments will
count towards the overall grade. This allows students to miss one or possibly more Assignments (e.g.,
due to illness, forgot to submit, etc.) without suffering negative consequences and without having to
supply formal documentation. No make-up options for missing any UCA will be available.
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5Two End-of-term exams will be predominantly multiple-choice format using Scantron answer sheets
and their dates will be set by the University. It is a student’s responsibility to be available for these
examinations. The exams will be written on campus. It is a serious matter to miss an exam and may
result in a mark of 0 being awarded.
Please note: In order to be consistent and fair to every student, individual grades are not
negotiable and there will be no “extra credit” assignments, period. Please contact the
instructor about a grade only if there is a clear error (calculation, clerical, etc.) within two
weeks of the grade being made available to you (normally via Moodle).
Course Materials
The course lectures will closely follow the textbook, “The Essential Comic Perspectives” by
Bennett et al. (8th edition) which is available in hard-copy or electronic format (available at the
York University Bookstore or on-line) The textbook in whatever format you choose is strongly
recommended. Mastering Astronomy (MA) will be automatically packaged with the textbook
(at no additional cost) or available “stand alone” at a cost. (MA, while helpful, is not a
required resource.) Along with the textbook and lectures, a number of activities designed to
enhance the student’s understanding of the more complex issues discussed in the course will
be provided on the course Moodle website.
Tutorials/Labs
This course does not have a lab component or tutorial sessions. It does, however, include a
Group Assignment component that will take place during lecture time on specified Fridays
each term. These Group Assignments, GAs, (4 per term) will involve groups of students to
work together on assignments.
Students will be organized into groups normally comprised of six students per group. The
composition of a Group will be based upon a brief survey administered via Moodle at the
beginning of the Fall term. Announcements regarding the timing of this process will be made
shortly after the term commences.
The GAs will count towards 12.5% of each student’s final grade.
Observing Project
In one of the fall or winter terms, each student will be required to complete an observing
project consisting of acquiring an image of a constellation using a digital camera and
providing relevant supporting documentation for both the image and the constellation itself
that will be uploaded as a PDF to the course website. The constellation will be selected
based on the student’s York University number and will be accessible during the relevant
term.
The Project will count towards 7.5% of each student’s final grade.
Course Content and Format
Students who are registered in the course should have automatic access to the class
(Moodle) website following Passport York authentication (moodle.yorku.ca). The
website will contain all important administrative and curricular information for this
course and should be consulted frequently by the student; daily if possible.
The curriculum consists of 19 Chapters from the textbook which are bundled into 6
Parts in the text. The Essential Cosmic Perspective will be covered over a time-span
of 24 weeks. Thus, students can expect to cover, on average, one chapter every
week or so. (Chapters are not of equal length.) Of importance when it comes to
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assignments, is the division of material into Units, groups of Chapters that will be
tested together: 4 Units will be covered each term. At the conclusion of each Unit
there will be a Unit Completion Assignment. A supplementary video on the course
Moodle website will illustrate how you might reasonably approach the materials
provided for each Chapter and Unit on the website.
Each of the 8 Units in the course is structured similarly:
o A list of Learning Outcomes for the Chapters
o The “Important Questions” that will be discussed in the Chapters
o Any additional articles or cool links to assist in the understanding of material
o “So you want an A” provides resources that help clarify some of the most
important concepts in each Chapter, and material that will enrich the student
learning experience
o The Unit Completion Assignment (UCA), a predominantly multiple-choice
assignment for marks. It will be held at the conclusion of each Unit.
A Unit will be considered “open” for a well-advertised amount of time (nominally until
the Unit material is completed in the lectures). While a Unit is “open,” students may
attempt its quizzes and activities for marks. Once a Unit is closed, while all the files
remain accessible for study and review purposes, it will no longer be possible to
complete a quiz or activity for marks.
Math Content
This course does not rely upon mathematical skills beyond those normally found in the Grade
10 curriculum: simple algebra and geometry. There is little emphasis placed upon
mathematical manipulation. For example, the end-of-term exams will contain 100 to 120
multiple choice questions of which about 5 will require the use of mathematical concepts
discussed in the course. Scientific notation, the use of power of 10 notation, is discussed as
numbers in this course are both extremely large (scale of the universe) and very small (size of
the atom) and warrant an appreciation of how to read such numbers.
Course Policies
Assignment Submission:
Students must not only perform academically to the best of their ability, but submit their
work on time. Accordingly, assignments for this course must be received on or before the
due date and time specified. Assignments done on-line such as Chapter Completion
Assignments will be automatically graded by Moodle and the grade will appear in the
gradebook in a timely manner once the assignment or quiz has closed. Assignments that
require a written component – individual and group – must be uploaded to the course
website in either PDF or WORD format while the assignment is “open.” Please note that
ONLY these two formats will be accepted for grading.
Lateness Penalty:
Because assignments are handled entirely on-line with a precise due date and time, there
will be no opportunity for late submission. Thus plan accordingly and do not leave
submissions to the last minute.
The “80% rule” is in effect for some of the homework, e.g., GAs, IAs, ICQs and
CCAs, so it is not necessary to provide documentation for a single missing
assessment even if there were valid extenuating circumstances. If, however, there
is a chronic problem that may cause a student to miss a few quizzes or assignments,
this should be discussed with an Instructor during office hours or at an arranged
meeting at the earliest opportunity.
In the case of the Individual Assignments, deadlines are set many weeks in advance
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to allow adequate time for submission. Do not leave any submission to the last
minute!
Missed Tests:
Students with a legitimate reason for missing a course end-of-term exam, such as illness,
compassionate grounds, etc., which is confirmed by supporting documentation (e.g., an
Attending Physician’s Statement accessible from the course website and not simply a
physician’s letter) may request accommodation from a Course Instructor. Flying home early
is not considered a legitimate reason for missing an exam. A student who has missed an
exam for a legitimate/documentable reason must contact the course Instructor by email
([email protected]) as soon as he/she is able, and estimate when she/he will provide the
appropriate hardcopy documentation. The hardcopy documentation should be scanned and
emailed to the course email address within 5 business days of the missed exam. In the
case of a missed exam with acceptable, on-time documentation, the student may be given
permission to write a deferred Exam. (The original hardcopy documentation should be
handed in at the beginning of the deferred exam.) If a student misses a deferred Exam,
then the student may be required to submit a formal Petition to the Faculty of Science.
Missing an exam is a serious matter: missing an end-of-term exam can result in a
mark of 0 being awarded.
Plagiarism:
Any material submitted by a student for any graded component of this course must be
original to that student unless otherwise explicitly acknowledged. Collaboration with
colleagues on sharpening critical skills is strongly encouraged in this class, but it is both
unethical and unacceptable to claim credit for work performed by another without attribution.
Cheating and plagiarism – the attempt to gain unfair academic advantage – will not be
tolerated at this institution. This includes allowing another student to submit original work –
in whole or in part – that you yourself have done. Penalties for all such offences range from
a failing grade on the submitted material to expulsion from the University.
Paraphrasing:
To avoid plagiarism, it is common for authors to paraphrase the idea(s) of another; that is, to
express in their own words the words of someone else. While this is a legitimate form of
expression, the author should still attribute the original source of the idea(s). Moreover,
paraphrasing involves a substantial rephrasing of the original author’s words, and not
merely the substitution of a word or phrase.
Citation:
Citations are part of scholarly work. It is important to adopt a consistent citation style (i.e.,
footnotes, bibliographies, etc.). There are many such styles some of which can be found at:
http://researchguides.library.yorku.ca/styleguides . We expect students to use the APA
style in this course which is described in detail at links on this URL.
Copyright and Intellectual Property
The class (Moodle) website is a proprietary repository of materials produced explicitly for the
use of students registered in this class. Moreover, the (digital) material on the class website
is the intellectual property of the instructors and much of it is under copyright by the textbook
vendor. This means that it is unethical and illegal to share this material directly with students
not registered in this class or to external websites.
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University Policies
Important Sessional Dates
Includes sessional start and end dates, drop deadlines, and withdrawal dates.
Event Date
Classes begin Sep 05, 2018
Last day to enrol without permission of Course Director* Sep 18, 2018
Last day to enrol with permission of Course Director Oct 23, 2018
Fall Reading Days (no lectures) Oct 06 – 12, 2018
Last day of Fall Term (our course) Dec 03, 2018
Examination period (Fall) Between Dec 06-21, 2018
Last day to drop without a grade submitted Feb 08, 2019
Reading Week Feb 16-22, 2019
Last day of Winter Term Apr 03, 2019
Course Withdrawal Period (withdraw from a course and receive a
“W” on the transcript
Between Feb 09 and Apr 03 2019
Examination period (Winter) Between Apr 09-23, 2018
* No permission to enter the course will be given after this date
For more information or other dates of interest, see the Office of the Registrar website at
http://www.registrar.yorku.ca/enrol/dates/
Academic Honesty and Integrity
Academic honesty requires that persons do not falsely claim credit for the ideas, writing or other
intellectual property of others, either by presenting such works as their own or through impersonation.
Similarly, academic honesty requires that persons do not cheat (attempt to gain an improper advantage
in an academic evaluation), nor attempt or actually alter, suppress, falsify or fabricate any research
data or results, official academic record, application or document. Finally, academic honesty requires
that persons do not aid or abet others to commit an offence of academic dishonesty, including
intentional acts to disrupt academic activities.
Suspected breaches of academic honesty will be investigated and charges shall be laid if reasonable
and probable grounds exist.
Academic Honesty and electronic devices during assessments (e.g. exams)
Internet capable and personal storage devices of all kinds must be turned off, including vibrate.
These and any other unauthorized material must be placed under the student’s chair and
should not be accessed at any point during the exam. Failure to comply with directive may be
considered a break of academic honesty.
See http://registrar.yorku.ca/exams/tipsheet
Please familiarize yourself with the full Senate Policy on Academic Honesty, found at
http://secretariat-policies.info.yorku.ca/policies/academic-honesty-senate-policy-on/
Please also familiarize yourself with the SPARK Academic Honesty tutorial found at
https://spark.library.yorku.ca/academic-integrity-what-is-academic-integrity/
Academic Accommodation for Students with Disabilities
York University shall make reasonable and appropriate accommodations and adaptations in order to
promote the ability of students with disabilities to fulfill the academic requirements of their programs.
The nature and extent of accommodations shall be consistent with and supportive of the integrity of the
curriculum and of the academic standards of programs or courses.
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Please familiarize yourself with the full Senate Policy on Academic Accommodations for
Students with Disabilities, found at http://secretariat-policies.info.yorku.ca/policies/academic-
accommodation-for-students-with-disabilities-policy/
Note: Students should submit accommodation letters from Counseling and Disability Services
(CDS) to the course instructor within the first two weeks of the course or as soon as issued.
Counseling and Disability Services - http://cds.info.yorku.ca/York Accessibility Hub -
http://accessibilityhub.info.yorku.ca/
Note: A student registered with CDS, and choosing to write with Alternate Exams, is
responsible for making the appropriate writing arrangements within the timeframes outlined by
Alternate Exams.
Alternate Exams - http://altexams.students.yorku.ca/
Religious Observance Accommodation
York University is committed to respecting the religious beliefs and practices of all members of the
community, and making accommodations for observances of special significance to adherents.
https://w2prod.sis.yorku.ca/Apps/WebObjects/cdm.woa/wa/regobs
Note: Students who will have an academic conflict as a result of a religious observance, at any
point in the term, should make the instructor aware of such at least three weeks prior to the
conflict.
For conflicts occurring during an official examination period, please complete the Examination
Accommodation Form available at http://www.registrar.yorku.ca/pdf/exam_accommodation.pdf and
submit to your instructor at least three weeks prior to the final exam.
Student Conduct in Academic Situations
Students and instructors are expected to maintain a professional relationship characterized by courtesy
and mutual respect and to refrain from actions disruptive to such a relationship. Moreover, it is the
responsibility of the instructor to maintain an appropriate academic atmosphere in the classroom and
the responsibility of the student to cooperate in that endeavour. Further, the instructor is the best
person to decide, in the first instance, whether such an atmosphere is present in the class. A statement
of the policy and procedures regarding disruptive and/or harassing behaviour by students in academic
situations is available on the website of the University Secretariat (http://secretariat.info.yorku.ca/).
Division of Natural Science Resources
NATS-AID
Free peer tutoring for students enrolled in Natural Science Courses.
See http://natsci.info.yorku.ca/nats-aid/
M-AID in NATS (Math Aid)
Free math help for students enrolled in Natural Science Courses (TA tutors)
See http://natsci.info.yorku.ca/m-aid-in-nats/
Other Resources
Learning Commons
The Learning Commons brings together key supports for your learning: writing, research, learning skills
and career services. http://www.library.yorku.ca/cms/learning-commons/
goSAFE
goSAFE is a complimentary service provided to the York Community. At the Keele campus, goSAFE
has two routes: North Route & South Route which will safely transport community members by vehicle
from one specified hub to another on campus. goSAFE operates seven days a week, all year round,
including University closures (with the exception at Glendon during the Christmas holiday closure).
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Call the goSAFE office at 416-736-5454 or extension 55454 during hours of operation. Please give
your name, location and destination. http://www.yorku.ca/goSAFE/
Mental Health and Wellness at York University
Outlines a variety of resources available to support mental health and wellness
http://mhw.info.yorku.ca/resources/resources-at-york/students/
Good2Talk
Post-Secondary Student 24 hour Helpline
http://www.good2talk.ca/ 1-866-925-5454

Amy Shaw

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