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Astronomy

Astronomy. Intro Stuff. Just What IS Astronomy?. Study (- onomy ) of astros Baseball team from Houston, TX … Study of all things in the Universe. GRADES??? 50% Exams 30 % LABS 20% HW. EXAMS 50% Exams 3 of them per quarter 1 st is typical in-class paper test

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Astronomy

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  1. Astronomy Intro Stuff

  2. Just What IS Astronomy? • Study (-onomy) of astros • Baseball team from Houston, TX… • Study of all things in the Universe

  3. GRADES??? • 50% Exams • 30 % LABS • 20% HW

  4. EXAMS • 50% Exams • 3 of them per quarter • 1st is typical in-class paper test • 2nd and 3rd are take-homes • Exams are open-note

  5. LABS • 30% of Grade • Most are “Design” type • “Design an investigation to determine the properties of an orbit past Neptune using only a pencil, a shoe, and toilet paper.”

  6. HW • 20% of Grade • Some online (weekly) • Some in-class • Some WS’s • Checked, not collected

  7. Keep NOTES! • EACH exam is open-NOTE! • Be on time • Be prepared and on-task • No food or drink • Visit the wikispace!!! (and check your email) • baxley.greenwich.wikispaces.net

  8. Need help? • Almost any day before school • Most Mondays, Tuesdays, and Thursdays after school • Check my schedule! • Any learning center • NIPs/PROFs/COLLABs • Let me know ahead of time

  9. HW Tonight • All on wiki • Fill out student info sheet • Look at the pictures in Preview Chapter

  10. HONORS Option • Slightly different requirements • Different exams • Culminating GROUP project and presentation

  11. HONORS Option • Slightly different requirements • High standard • MUST be here for PPT’s • Slightly larger HW’s

  12. Ready for Preview Chapter stuff? Let’s go!

  13. Scale of the Universe??? • Do you know how incredibly SMALL you are?

  14. Interferometer image ofBetelgeuse

  15. Interferometer image ofBetelgeuse 780,000,000 Km 1,400,000 Km

  16. Betelgeuse Sirius Antares

  17. HW Tonight • Submit Info2012 w/textbook number? • Start Intro HW • ALL Q’s at end of Intro Chapter • The Cosmic Landscape

  18. HW NOTE… • Due date is by 11:59:59 PM ET • Hand in via Google Form on my wikispace

  19. HW NOTE… • ALL HW is same each chapter • ALL Q’s & P’s at end of chapter.

  20. Smallest to Largest • Name the smallest things that you can think of. • What are some of the largest things you can think of? • What about the most distant object?

  21. Distance Tabs • On your desk there are pieces of paper clipped together. • On your own - place these in order on your table; small to large • Small on left, large on right • Some you won’t know; GUESS! • GO!

  22. Distance Tabs • Now, collaborate with a partner • Report and record. • Now, collab with a Mega-group (4 people around you) review and edit. • Discussion & review.

  23. Answers?

  24. Answers?

  25. Answers?

  26. Answers?

  27. Ordering Distance Objects Quark Radius (NA) *1x10-LOTS m (Shown actual size…) *Quark size is a quantum mechanical thing and may even be zero.

  28. Ordering Distance Objects Proton Radius *9x10-16 m (Shown actual size…) *Best estimate of quark orbital range circa 2010

  29. Ordering Distance Objects Au Nuclear Radius 7x10-15 m (Shown actual size…)

  30. Ordering Distance Objects H Atom 5x10-11 m (Shown actual size…)

  31. Ordering Distance Objects Individual Atoms! (Xe on Ni) 5x10-11 m

  32. Ordering Distance Objects Width of DNA Helix 2x10-9 m

  33. Ordering Distance Objects “Average Virus” 7.5x10-8 m

  34. Ordering Distance Objects “Average Bacterium” 0.2 – 2.0x10-6 m Staphylococcus Credit: E. Coli; Rocky Mountain Laboratories, NIAID, NIH

  35. Ordering Distance Objects Width of Human Hair 6x10-5 m

  36. Ordering Distance Objects Radius of a Pinhead 9x10-4 m

  37. Ordering Distance Objects One Inch 2.54x10-2 m

  38. Ordering Distance Objects One Foot 3x10-1 m Bigfoot excluded!

  39. Ordering Distance Objects Height of “Average” Human 1.7x100 m

  40. Ordering Distance Objects Basketball Court 2.56 x101 m

  41. Ordering Distance Objects Football Field 9.15 x101 m

  42. Ordering Distance Objects Distance Sound Travels in 1 sec 3.43 x102 m

  43. Ordering Distance Objects One Mile 1.61 x103 m

  44. Ordering Distance Objects Mount Everest (http://peace.sandiego.edu/images/programs/Mount%20Everest.jpg) 8.85x103 m

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