Chapter 18: Figure Sources

The internet sources of many of the figures in the text are listed below. If you plan to download them, be sure you understand any copyright restrictions. Many of them make use of Creative Commons licenses while some use the GNU General Public License. Figures that are not posted on the internet and where permissions allow, are contained in the slide set.

• Fig. 18.1 (chapter opening): https://www.eso.org/public/images/eso1231a/
• Fig. 18.2: see presentation slides
• Fig. 18.3: Left: https://www.jstor.org/stable/106755
  Right: https://articles.adsabs.harvard.edu/pdf/1922ApJ….55..302K
• Fig. 18.4: https://commons.wikimedia.org/wiki/File:Lossy-page1-3705px-Herschel’s_Grand_Forty_feet_Reflecting_Telescopes_RMG_F8607.jpg
• Fig. 18.5: https://commons.wikimedia.org/wiki/File:Jacobus_Kapteyn.jpg
• Fig. 18.6: https://siarchives.si.edu/collections/siris_arc_306337
• Fig. 18.7: https://commons.wikimedia.org/wiki/File:Jo-Cotten-FDR-LIFE-1944.jpg
• Fig. 18.8:https://articles.adsabs.harvard.edu/full/1918PASP…30…42S
• Fig. 18.9: https://www.eso.org/public/images/potw1938a/
• Fig. 18.10: see presentation slides
• Fig. 18.11: https://www.eso.org/public/images/ESA_Gaia_DR2_AllSky_Brightness_Colour_black_bg_8k/
• Fig. 18.12: https://commons.wikimedia.org/wiki/File:Hammer_projection_SW.jpg
• Fig. 18.13: see presentation slides; https://www.eso.org/public/images/eso1339a/
• Fig. 18.14: https://www.eso.org/public/images/eso0525a/
• Fig. 18.15: see presentation slides
• Fig. 18.16: see presentation slides; https://www.jpl.nasa.gov/images/our-milky-way-gets-a-makeover-artist-concept
• Fig. 18.17: https://www.eso.org/public/images/potw1901a/
• Fig. 18.18: Left: https://www.eso.org/public/images/m83/
  Right: https://www.eso.org/public/images/eso1020a/
• Fig. 18.19: see presentation slides
• Fig. 18.20: see presentation slides
• Fig. 18.21: see presentation slides; https://www.jpl.nasa.gov/images/our-milky-way-gets-a-makeover-artist-concept
• Fig. 18.22: https://apod.nasa.gov/apod/ap970315.html
• Fig. 18.23: https://www.eso.org/public/images/potw1843a/
• Fig. 18.24: https://chandra.harvard.edu/photo/2007/gcle/
• Fig. 18.25: see presentation slides; https://www.eso.org/public/images/eso1825d/
• Fig. 18.26: see presentation slides; https://eventhorizontelescope.org/blog/astronomers-reveal-first-image-black-hole-heart-our-galaxy
• Fig. 18.27: see presentation slides; https://www.nasa.gov/mission_pages/GLAST/news/new-structure.html
• Fig. 18.28: private communication; see presentation slides
• Fig. 18.29: https://repository.aip.org/islandora/object/nbla:segre
• Fig. 18.30: see presentation slides
• Fig. 18.31: see presentation slides; https://www.eso.org/public/images/eso1339a/; https://hubblesite.org/contents/media/images/2014/25/3374-Image.html
• Fig. 18.32: https://commons.wikimedia.org/wiki/File:Pic_iroberts1.jpg
• Fig. 18.33: https://commons.wikimedia.org/wiki/File:Studio_portrait_photograph_of_Edwin_Powell_Hubble.JPG
• Fig. 18.34: Left: https://aladin.cds.unistra.fr/;
• Center: https://www.nasa.gov/feature/goddard/2017/messier-87
  Right: https://hubblesite.org/contents/media/images/2006/24/1932-Image.html
• Fig. 18.35: https://esahubble.org/images/heic1502a/
• Fig. 18.36: https://aladin.cds.unistra.fr/
• Fig. 18.37: https://hubblesite.org/contents/media/images/2012/38/3102-Image.html
• Fig. 18.38: https://hubblesite.org/contents/media/images/2011/03/2809-Image.html
• Fig. 18.39: see presentation slides
• Fig. 18.40: https://www.eso.org/public/images/eso1424a/
• Fig. 18.41: Left to Right: https://aladin.cds.unistra.fr/
  https://commons.wikimedia.org/wiki/File:Leo_T_color_cutout_hst_12914_04_acs_wfc_f814w_f606w_sci.jpg
  https://aladin.cds.unistra.fr/
  https://aladin.cds.unistra.fr/
  https://www.eso.org/public/images/potw1838a/
• Fig. 18.42: Left: https://www.eso.org/public/images/eso0919a/
  Right: https://photojournal.jpl.nasa.gov/catalog/PIA17569
• Fig. 18.43: https://www.nasa.gov/mission_pages/hubble/science/milky-way-collide.html
• Fig. 18.44: https://apod.nasa.gov/apod/ap130815.html
• Fig. 18.45: Left: https://hubblesite.org/contents/media/images/2011/11/2836-Image.html
  Right: https://hubblesite.org/contents/media/images/2009/25/2575-Image.html
• Fig. 18.46: see presentation slides
• Fig. 18.47: https://hubblesite.org/contents/media/images/2000/20/968-Image.html
• Fig. 18.48: https://chandra.harvard.edu/photo/2019/black_hole/
• Fig. 18.49: https://www.nasa.gov/multimedia/imagegallery/image_feature_1276.html
• Fig. 18.50: https://www.eso.org/public/images/eso1515a/
• Fig. 18.51: https://www.eso.org/public/images/eso1122a/
• Fig. 18.52: Left: https://hubblesite.org/contents/media/images/1990/20/22-Image.html
  Right: https://hubblesite.org/contents/media/images/2017/20/4024-Image.html
• Fig. 18.53: https://esahubble.org/images/heic1604a/
• Fig. 18.54: https://www.eso.org/public/images/eso1812a/
• Fig. 18.55: https://chandra.harvard.edu/photo/2019/3blackholes/
• Fig. 18.56: https://commons.wikimedia.org/wiki/File:Sandra-faber-barack-obama.png