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Astro 1102: Introduction to Astronomy - Sections 11 and 12

Welcome to Astro 1102 Sections 11 and 12! This course covers administrative stuff, policies, getting to know each other, significant figures, units, algebra, trig, and the celestial sphere. Join us every Thursday at 1:25pm (Section 11) or 2:30pm (Section 12) with TA Shoshe Cole. Office hours are on Wednesday from 12:30-2:30. Contact shoshe@astro.cornell.edu for more information.

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Astro 1102: Introduction to Astronomy - Sections 11 and 12

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  1. Welcome to Astro 1102/1102Sections 11 and 12! Section 11: 1:25pm Thursdays Section 12: 2:30pm Thursdays TA: Shoshe Cole Office hours: Wednesday 12:30-2:30 425 SSB shoshe@astro.cornell.edu

  2. What we need to cover today • Administrative stuff • Policies • Getting to know each other • Significant figures • Units • Algebra • Trig • The Celestial Sphere

  3. Administrative stuff • The course website is http://astrosun2.astro.cornell.edu/academics/courses/astro1102/ • No laptops • No phones/txting (it will affect your section grade) • Reviews 1 week before exams • Please read homework before coming to section • Get a section notebook (you will be taking notes) • Please email me ahead of time if you’re going to miss section

  4. Assessment • 3 prelims • We’ll probably drop your lowest score • Section grade every week (10 points/week) • 6 homeworks • Worksheets, quizzes, attendance, participation, etc. • We drop your 3 lowest grades • No makeups • Don’t just skip the first 3 homeworks! If you do, you might have problems later on in case of illness, exams in other classes, sports, etc. • Final exam is Wed, May 12, 7-9 pm

  5. Section Grade • We’re going to learn: • About the solar system • How science works • Critical thinking • If you think that there’s a chance that you’ll need to hand your homework in late, let me know ASAP • at least by 7pm the night before it’s due • Otherwise, you’ll lose 1 point per day • Cite facts/numbers that are from resources other than the lectures and textbook • Wikipedia cannot be used as a scholarly reference • it can be inaccurate and incomplete

  6. My policies • You are all smart people! • You might not be used to thinking like a scientist, but you are all capable of it! • Discussion section is for discussion • Please ask questions! I’m here to help you learn. • If you have a question and are embarrassed to ask it in section, email me and I’ll discuss it during section (I won’t say who asked the question) • If you don’t understand an answer in the homework you just got back, please ask! Many other people have the same question. • If you have a serious grading question, please come to my office hours (Wednesday 12:30-2:30). Discussion section is not a time to try to get additional points on your homework. • No laptops, and turn phones off

  7. Recommendations • Starry Night (or the planetarium software that comes with your textbook) • Google Earth (Sky, Mars) • Fuertes Observatory • Friday night lectures/stargazing • Mars at opposition! • http://www.astro.cornell.edu/research/projects/CAS/ • (607) 255-3557

  8. Getting to know each other • Me • You

  9. Sig figs, units, algebra, trig… • Calculating the area of a laptop computer • Mars Climate Orbiter • My house is 5.0 miles from Wegmans. How many m is this? • Bode’s Law and Kepler’s 3rd Law (homework) • SOH-CAH-TOA

  10. The Celestial Sphere

  11. The Celestial Sphere

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