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Dust in the giant elliptical galaxy - evidence of collision of several spiral galaxies ?

Dust in the giant elliptical galaxy - evidence of collision of several spiral galaxies ?. Galactic Radio Arcs originating from the vicinity of the black hole in the galaxy center - plasma streaming along magnetic field lines ?. Same place - X rays due to the collision of the hot plasma

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Dust in the giant elliptical galaxy - evidence of collision of several spiral galaxies ?

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  1. Dust in the giant elliptical galaxy - evidence of collision of several spiral galaxies ?

  2. Galactic Radio Arcs originating from the vicinity of the black hole in the galaxy center - plasma streaming along magnetic field lines ?

  3. Same place - X rays due to the collision of the hot plasma with a cold cloud ?

  4. Recent EIT 195 movie

  5. Supernova in UV in another galaxy

  6. שיעור 6 n מעבר הקרינה

  7. Exercise: Syhchrotron emission from a power-law distribution Exercise: Power of inverse Compton scattering Exercise: Natural line profile

  8. תצפיות הספק שטף האנרגיה כיוון תדר

  9. קשר בין ערכים

  10. Q: Isotropic intensity - what is the flux ?

  11. צפיפות האנרגיה

  12. שטף התנע

  13. Q: Isotropic intensity - what is the pressure ? Q: Sun interior - flux ? pressure ?

  14. משוואת המצב קרינה איזוטרופית דפנות מחזירות

  15. פליטה ובליעה פליטה ספונטנית

  16. Q: Initial intensity =0 ? Q: Emissivity = 0 ?

  17. פליטה מאולצת ובליעה עומק אופטי

  18. Q: Optical depth - physical sense ? Q: Dependence on the frame ?

  19. פיזור בליעה ופליטה

  20. Q: Diff eq ? Q: If non-isotropic scattering ?

  21. משוואת מעבר הקרינה

  22. פתרון מקרה פשוט

  23. Q: No initial intensity - what is this ? Small and large optical depth ? Q: Only Thomson scattering in the Sun. What is the optical depth ? Q: How long travels light before leaving the Sun ?

  24. גוף שחור

  25. גוף שחור המשך

  26. קרינה תרמית פליטה או בליעה

  27. Q: Maximum intensity from a thermally emitting body ? Q: Where do the photons come from ? Q: Emission and absorption lines ? Q: Line shape (saturation) ?

  28. פוטונים חופשיים

  29. Q: Redshifted emission - intensity ?

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