1. What is this? PH1600: Introductory Astronomy Lecture 19: Galaxies

2. PH1600: Introductory Astronomy Lecture 18: Galaxies Study: Chapter 15 in The Cosmos book Next Lecture: Chapter 18: Cosmology and the Universe School: Michigan Technological University Professor: Robert Nemiroff Book: The Cosmos by Pasachoff & Filippenko Online Course WebCT pages: http://newcourses.mtu.edu/ This class can be taken online ONLY, class attendance is not required!

3. You are responsible for… Reading the book One chapter per quiz period Anything from that chapter can appear on quizzes or tests, even if I never mention them during my lecture(s) This quiz period covers Chapters 15 APODs posted during the semester APOD review every week during lecture Completing the Quizzes Chapter 1, 2, 4, 6, 7, 8, 10, 11, 13 & 14 quizzes already due Chapter 15 quiz due next See WebCT at http://newcourses.mtu.edu/ for detailshttp://newcourses.mtu.edu/

4. http://cas.sdss.org/dr5/en/

5. http://www.astro.caltech.edu/~aam/science/thesis/total/node18.html

6. Hidden Galaxy IC 342 Credit & Copyright: Robert Gendler APOD: 2006 October 5

7. M33: Spiral Galaxy in Triangulum Credit & Copyright: Thomas V. Davis (tvdavisastropix.com) APOD: 2006 September 14

8. Bright Galaxy M81 Credit & Copyright: Giovanni Benintende APOD: 2006 July 7

9. Elliptical Galaxy Centaurus A from CFHT Credit & Copyright: Jean-Charles Cuillandre (CFHT), Hawaiian Starlight, CFHT APOD: 2006 July 4

10. Elliptical Galaxy M87 Credit & Copyright: Robert Gendler APOD: 2006 May 20

11. Bright Star Regulus near the Leo 1 Dwarf Galaxy Credit & Copyright: Russell Croman APOD: 2006 June 19

12. A Nearby Supernova in Spiral Galaxy M100 Credit: FORS Team, 8.2-meter VLT, ESO APOD: 2006 March 7

13. Edge-On Galaxy NGC 5866 Credit: NASA, ESA, and The Hubble Heritage Team (STScI/AURA); Acknowledgment: W. Keel (U. Alabama) APOD: 2006 June 12

14. M51: The Whirlpool Galaxy in Dust and Stars Credit: N. Scoville (Caltech), et al., Hubble Heritage Team, NASA APOD: 2006 February 19

15. Hoag's Object: A Strange Ring Galaxy Credit: R. Lucas (STScI/AURA), Hubble Heritage Team, NASA APOD: 2004 August 15

16. Ring Galaxy AM 0644-741 from Hubble Credit : Hubble Heritage Team (AURA / STScI), J. Higdon (Cornell) ESA, NASA APOD: 2005 October 22

17. Spiral Galaxy NGC 1350 Credit: H. Boffin, H. Heyer, E.Janssen (ESO), FORS2, ESO APOD: 2005 October 6

18. The Sombrero Galaxy from HST Credit: Hubble Heritage Team (AURA/STScI /NASA) APOD: 2006 January 15

19. Unusual Gas Filaments Surround Galaxy NGC 1275 Credit & Copyright: C. Conselice (Caltech), WIYN, AURA, NOAO, NSF APOD: 2005 July 25

20. Warped Spiral Galaxy ESO 510-13 Credit: Hubble Heritage Team (STScI / AURA), C. Conselice (U. Wisconsin / STScI) et al., NASA APOD: 2003 June 7

21. I Zwicky 18: Young Galaxy Credit: Y. Izotov (MAO, Ukraine), et al., ESA, NASA APOD: 2004 December 3

22. Barred Spiral Galaxy NGC 1300 Credit: Hubble Heritage Team, ESA, NASA APOD: 2006 August 27

23. NGC 1427A: Galaxy in Motion Credit: Hubble Heritage Team (AURA / STScI), ESA, NASA APOD: 2005 March 4

24. M64: The Sleeping Beauty Galaxy Credit: NASA and the Hubble Heritage Team (AURA/STScI), S. Smartt (IoA) & D. Richstone (U. Michigan) et al. APOD: 2004 February 11

25. Sideways Galaxy NGC 3628 Credit & Copyright: Russell Croman APOD: 2005 April 8

26. NGC 6946: The Fireworks Galaxy Credit & Copyright: T. Rector (U. Alaska Anchorage), Gemini Obs., AURA APOD: 2005 January 25

27. The Sombrero Galaxy in Infrared Credit: R. Kennicutt (Steward Obs.) et al., SSC, JPL, Caltech, NASA APOD: 2005 May 11

28. Sagittarius Dwarf Irregular Galaxy Credit: Hubble Heritage Team (AURA / STScI), Y. Momany (U. Padua) et al., ESA, NASA APOD: 2004 November 16

29. M31: The Andromeda Galaxy Credit & Copyright: Robert Gendler (robgendlerastropixs.com) APOD: 2004 July 18

30. Leo A: Nearby Dwarf Irregular Galaxy Credit & Copyright: V. Vansevicius (IoP Lithuania), et al., Suprime-Cam, Subaru Telescope, NAOJ APOD: 2004 November 10

31. NGC 4565: Galaxy on the Edge Credit & Copyright: Robert Gendler APOD: 2005 July 8

32. M82: Galaxy with a Supergalactic Wind Credit: NASA, ESA, The Hubble Heritage Team, (STScI / AURA) Acknowledgement: M. Mountain (STScI), et al. APOD: 2006 April 25

33. M83: The Southern Pinwheel Galaxy from VLT Credit: FORS Team, 8.2-meter VLT, ESO APOD: 2005 December 18

34. Galaxy Group HCG 87 Credit: GMOS-S Commissioning Team, Gemini Observatory APOD: 2005 July 16

35. Unusual Spiral Galaxy M66 Credit & Copyright: Canada-France-Hawaii Telescope, J.-C. Cuillandre (CFHT), Coelum APOD: 2004 April 7

36. Galaxy Cluster in the Early Universe Credit: P.Rosati (ESO) et al.; X-Ray: CXC, NASA / Optical: ESO, VLT APOD: 2004 February 26

37. A Galaxy Collision in NGC 6745 Credit: NASA, ESA, and the Hubble Heritage Team (STScI/AURA) Acknowledgment: Roger Lynds (KPNO/NOAO) et al. APOD: 2006 November 5

38. Dusty Galaxy Centaurus A Credit: Marina Rejkuba (ESO-Garching) et al., ISAAC, VLT ANTU telescope, ESO Paranal Obs. APOD: 2003 August 6

39. Spiral Galaxy NGC 7742 Credit : Hubble Heritage Team (AURA/ STScI/ NASA) APOD: 2003 July 26

40. Messier 110 Credit & Copyright: Johannes Schedler (Panther Observatory) APOD: 2006 September 8

41. NGC 4676: When Mice Collide Credit: ACS Science & Engineering Team, NASA APOD: 2004 June 12

42. NGC 6872: A Stretched Spiral Credit: FORS Team, 8.2-meter VLT Antu, ESO APOD: 1999 May 25

43. The Small Cloud of Magellan Credit & Copyright: Josch Hambsch, Robert Gendler APOD: 2005 June 17

44. Spiral Galaxy NGC 253 Almost Sideways Credit & Copyright: Jean-Charles Cuillandre (CFHT), Hawaiian Starlight, CFHT APOD: 2003 May 25

45. NGC 1700: Elliptical Galaxy and Rotating Disk Credit: Thomas S. Statler, Brian R. McNamara (Ohio Univ.), CXC, NASA APOD: 2003 January 16

46. The Antennae Credit & Copyright: Daniel Verschatse (Antilhue Observatory) APOD: 2006 June 30

47. Spiral Galaxy NGC 1232 Credit: FORS1, 8.2-meter VLT Antu, ESO APOD: 2004 January 25

48. The Large Cloud of Magellan Credit & Copyright: Wei-Hao Wang (IfA, U. Hawaii) APOD: 2006 May 10

49. Arp 188 and the Tadpole's Tidal Tail Credit: ACS Science & Engineering Team, NASA APOD: 2006 January 8

50. Galactic Collision in Cluster Abell 1185 Credit & Copyright: Jean-Charles Cuillandre (CFHT), Hawaiian Starlight, CFHT APOD: 2005 November 22

51. The Colliding Galaxies of NGC 520 Credit & Copyright: Gemini Obs., AURA, NSF APOD: 2005 September 12

52. NGC 1316: After Galaxies Collide Credit: P. Goudfrooij (STScI), Hubble Heritage Team, (STScI/AURA), ESA, NASA APOD: 2005 April 4

53. NGC 1531/2: Interacting Galaxies Credit & Copyright: T. Rector (U. Alaska Anchorage), Gemini Obs., AURA, NSF APOD: 2005 March 1

54. Spiral Galaxy NGC 3982 Before Supernova Credit: Stephen Smartt (U. Cambridge), HST, ESA, NASA APOD: 2003 November 3

55. Galaxy Cluster Lenses Farthest Known Galaxy Credit: ESA, NASA, J.-P. Kneib (Caltech/OMP) & R. Ellis (Caltech) APOD: 2004 February 17

56. Spiral Galaxies in Collision Credit: Debra Meloy Elmegreen (Vassar College) et al., & the Hubble Heritage Team (AURA/ STScI/ NASA) APOD: 2004 November 21

57. The Perseus Cluster of Galaxies Credit: Jim Misti (Misti Mountain Observatory) APOD: 2004 October 25

58. The Coma Cluster of Galaxies Credit & Copyright: Jim Misti (Misti Mountain Observatory) APOD: 2006 March 21

59. NGC 2787: A Barred Lenticular Galaxy Credit: Marcella Carollo (ETHZ), Hubble Heritage, NASA APOD: 2002 April 8

60. The Center of Centaurus A Credit: E.J. Schreier (STScI) et al., HST, NASA APOD: 2005 July 17

61. The Giant Radio Lobes of Fornax A Credit: Ed Fomalont (NRAO) et al., VLA, NRAO, AUI, NSF APOD: 2005 June 28

62. A Five Quasar Gravitational Lens Credit: K. Sharon (Tel Aviv U.) and E. Ofek (Caltech), ESA, NASA APOD: 2006 May 24

63. Peculiar Arp 295 Credit: Arne Henden (US Naval Observatory, Flagstaff) APOD: 2005 October 8

64. Abell 2218: A Galaxy Cluster Lens Credit: Andrew Fruchter (STScI) et al., WFPC2, HST, NASA APOD: 2001 October 7

65. M31: The Andromeda Galaxy Credit & Copyright: Robert Gendler (robgendlerastropixs.com) APOD: 2004 July 18