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ASTR230I Final Exam Study Guide: Project

by: Benjamin Mao

ASTR230I Final Exam Study Guide: Project ASTR230I

Marketplace > University of Maryland > Astronomy > ASTR230I > ASTR230I Final Exam Study Guide Project
Benjamin Mao
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About this Document

What you need to know to do the final project.
Dr. Alan Peel
Study Guide
50 ?




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This 20 page Study Guide was uploaded by Benjamin Mao on Sunday May 8, 2016. The Study Guide belongs to ASTR230I at University of Maryland taught by Dr. Alan Peel in Spring 2016. Since its upload, it has received 110 views. For similar materials see Astr230I in Astronomy at University of Maryland.


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Date Created: 05/08/16
Astro 230 I: the Science and Fiction of Planetary Systems Project Details/Guidelines Spring 2016 Split Responsibilities • Five­six of you in every group (if not, let Marie or me know immediately!) • Split up what you need to work on and cross check each other’s work! (You are your own worst editor) • Final paper should have sections; please assign specific authorship to those sections (can be  two­three authors per section) • Take credit for your individual input • Take blame for your individual mistakes Grading • 150 Points • 30 points (20%) grammar & spelling (so check carefully)* and citations where needed • 25 (17%) points creativity (interesting and not too Solar System like) • 25 (17%) points plausibility (these will be easiest to lose – be careful! Not too different from Solar System and  current exoplanet discoveries) • 40 (27% points calculations; can be hand­written appendix (see next slides) • 30 (20%) points short 10 minute presentation on the last day of class or the Final Exam date – all group members should be present and everyone should say something! Grading * –5 for each major error – max 30 pts Sections • Check with me if you plan on violating  any physics/chemistry/biology/geology,  etc. • Be prepared to explain why “we just have to or else our great idea won’t work!” • Some Sci­fi tropes are not allowed! • Magical anti­gravity (rotating kind okay) • Faster than light travel (close to lightspeed ok) • Time travel • Unobtainium (though complicated yet Sections unspecified biochemistry is fair game) Sections • I. Introduction (save details*): • Make it interesting! No calculations and not too many numbers in this section! • Discovery/naming of your system, including the star’s (or binary, trinary, etc.) actual  designation • Number and categories of planets (names,  jovian vs. terrestrial – important jovian moons, list order from the star out) • Briefly mention which one(s) is(are) terraformed or slated for terraforming Sections • *Save details for later sections! • II. Star(s) • Pick a real star* – see, e.g., this link for a starting  place. If we have discovered exoplanets there already, be careful to incorporate them into your system!** • Star classification(s), luminosity(ies), size(s), Temp(s) • Show these are all consistent by calculating  (ONCE!); your numbers can vary slightly (at 3 digit precision) from whatever official estimates are but  you should explain that (see, e.g.,   thi  lin ) • How old is your system? • (Be sure to check it’s consistent with actual estimated age for the real star) *This needs to be unique for the class – get me your star choice on ELMS so we can avoid duplication and conflict! **Announcements and discoveries between now and the Final Exam Date will not count against you • III. System Formation • Briefly discuss size of original cloud (correlated to size of star), describe collapse and where you think the planets  originally formed (esp. if not where you find them now) • Calculate the “frost line” in AU for H O2(180 K) and  NH (130 K) by using a T of 150 K as a guideline (2  3  eff  digit precision – ignore albedo and GWF) to define the boundary between Inner and Outer system • IV. The Inner system • Discuss your planets in the inner system • If there are jovians: • speculate if they formed or migrated there • discuss any affect on inner system terrestrials, e.g., are they in danger of resonances? • Discuss asteroid belts in the inner system • Explain if they are there; explain if they are NOT there • V. Habitable zone • Calculate in AU where the 273­373 K range  in AU is for a planet with 0.3 albedo and  about a 12% temperature boost due to  greenhouse effect: 1 a  0.7 41.6 1   1.6  1.12 • VI. Outer system • Discuss planets in the outer system • And anything beyond the last planet • VII. Any terrestrial moons around jovians (inner and outer systems): • Discuss if habitable for humans and why or why not • Maybe discuss which uninhabitable ones are (or were) ripe for terraforming • VIII. Life • Discuss any life in your stellar system • Is it carbon based? • Is in multicellular? • Is it intelligent? • Does it pose any danger to humans? • Has it undergone any extinction events? • IX. Terraforming • Describe how you will (or did) terraform one (or more?) of the planets or moons: • Energy • Chemistry • Biology • You have the option to xenoform a planet for a species other than ours, i.e., from another stellar system or  from within your own stellar system Final Project • Some resources to help you get started •  This link on naming stars with links to   lists  •  Kepler catalog of exoplanets  (potential)   •  Kepler   archive   •  Also:   http ://  / Group Dynamics • You are expected to meet fairly regularly from now until the last class (which is the first set of presentations!) • Let   us   know   if   there   are   problems within your group (including, but not limited   to,   slackers   or   personality issues) • There are multiple opportunities  (especially in the last few discussions and  last few lectures) for checking in with us  about ideas… • …so I will grade the plausibility vs. Group Dynamics creativity portions accordingly!


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