1. Physics 231: Introductory Astrophysics Prof. Dave Goldberg http://mimas.physics.drexel.edu/phys231 M51 (The Whirlpool Galaxy) from Kitt Peak/HST Composite, in visible, Near IR 1Phys 231, Topic 1: Our Place in the Universe

2. Tentative Course Outline 1.Our Place in the Universe 2.Physical Principles in Astrophysics 3.Stars 4.General Relativity 5.Galaxies 6.Cosmology Phys 231, Topic 1: Our Place in the Universe2

3. The Gott Logarithmic Map from the Earth’s Core to Chandra 3Phys 231, Topic 1: Our Place in the Universe

4. The Celestial Sphere 4Phys 231, Topic 1: Our Place in the Universe

5. Solar vs. Sidereal Day Phys 231, Topic 1: Our Place in the Universe5

6. Star Trails Phys 231, Topic 1: Our Place in the Universe6 N EW ~20 deg.=1.3 hours

7. A better view of circumpolar stars Phys 231, Topic 1: Our Place in the Universe7

8. Stars “move” through the sky Phys 231, Topic 1: Our Place in the Universe8

9. Declination Phys 231, Topic 1: Our Place in the Universe9

10. Gott Projection to man-made satellites Phys 231, Topic 1: Our Place in the Universe10

11. Hubble and Chandra (and views of Sgr A*, the center of our galaxy) Phys 231, Topic 1: Our Place in the Universe11 Hubble (Optical) Chandra (X-Ray)

12. The Gott Projection to L 1 and L 2 Phys 231, Topic 1: Our Place in the Universe12

13. The Phases of the Moon Phys 231, Topic 1: Our Place in the Universe13

14. SOHO Satellite at L 1 Phys 231, Topic 1: Our Place in the Universe14 Observes the sun in the UV

15. Lots of Satellites at L 2 Phys 231, Topic 1: Our Place in the Universe15 WMAP Microwave (3-13 mm) CMB Herschel Satellite Far Infrared (60-670  m) Milky Way Planck Satellite Microwave (0.35-10mm) First Light

16. Lagrange Points Phys 231, Topic 1: Our Place in the Universe16

17. Gott Projection of the Inner Solar System Phys 231, Topic 1: Our Place in the Universe17

18. Planets Phys 231, Topic 1: Our Place in the Universe18 “Superior” Planets“Inferior” Planets

19. The Terrestrial Planets Phys 231, Topic 1: Our Place in the Universe19

20. Kepler’s 3 rd Law Phys 231, Topic 1: Our Place in the Universe20 P 2 =a 3

21. Configuration of Planets Phys 231, Topic 1: Our Place in the Universe21

22. The Phases of Venus (Galileo) Phys 231, Topic 1: Our Place in the Universe22 Also, he saw the rings of Saturn

23. Gott map of outer solar system Phys 231, Topic 1: Our Place in the Universe23

24. The outer planets Phys 231, Topic 1: Our Place in the Universe24

25. The very outer solar system is very empty Phys 231, Topic 1: Our Place in the Universe25

26. Nearby Stars Phys 231, Topic 1: Our Place in the Universe26

27. Parallax Phys 231, Topic 1: Our Place in the Universe27

28. Phys 231, Topic 1: Our Place in the Universe28 Local Galaxy Residents M45, the Pleiades, an open cluster, seen in optical M42, the Orion Nebula, a star forming region, seen in optical from HST M57, the Ring Nebula, a planetary nebula, seen in optical from HST.

29. The Milky Way Phys 231, Topic 1: Our Place in the Universe29

30. Orbiting stars around Sgr A* Phys 231, Topic 1: Our Place in the Universe30

31. The Milky Way Phys 231, Topic 1: Our Place in the Universe31

32. Gott Map to the Local Group Phys 231, Topic 1: Our Place in the Universe32

33. The Local Group Phys 231, Topic 1: Our Place in the Universe33

34. Gott Map of Nearby Groups and Clusters Phys 231, Topic 1: Our Place in the Universe34

35. A1689 Phys 231, Topic 1: Our Place in the Universe35

36. Gott map of Distant Galaxies (Gpc Scale) Phys 231, Topic 1: Our Place in the Universe36

37. CMB (from WMAP) Phys 231, Topic 1: Our Place in the Universe37