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. 13.1 (chapter opening): https://commons.wikimedia.org/wiki/File:Bayeux_Tapestry_32-33_comet_Halley_Harold.jpg
- Fig. 13.2: https://photojournal.jpl.nasa.gov/catalog/PIA21906
- Fig. 13.3: Left: https://photojournal.jpl.nasa.gov/catalog/PIA21913
Center: https://photojournal.jpl.nasa.gov/catalog/PIA20349
Right: https://photojournal.jpl.nasa.gov/catalog/PIA21419 - Fig. 13.4: https://photojournal.jpl.nasa.gov/catalog/PIA20291
- Fig. 13.5: https://photojournal.jpl.nasa.gov/catalog/PIA19948
- Fig. 13.6: Left: https://photojournal.jpl.nasa.gov/catalog/PIA20534
Right: https://photojournal.jpl.nasa.gov/catalog/PIA19944 - Fig. 13.7: https://photojournal.jpl.nasa.gov/catalog/PIA19968
- Fig. 13.8: see presentation slides; https://photojournal.jpl.nasa.gov/catalog/PIA19856
- Fig. 13.9: see presentation slides
- Fig. 13.10: http://pluto.jhuapl.edu/Galleries/Featured-Images/image.php?gallery_id=2&image_id=606
- Fig. 13.11: see presentation slides
- Fig. 13.12: see presentation slides
- Fig. 13.13: see presentation slides
- Fig. 13.14: Top: https://commons.wikimedia.org/wiki/File:Leonhard_Euler.jpg
Bottom: https://commons.wikimedia.org/wiki/File:Joseph_Louis_Lagrange.jpg - Fig. 13.15: https://webbtelescope.org/contents/media/images/4176-Image?Type=Artwork&Category=08-webb-mission
- Fig. 13.16: Left: https://photojournal.jpl.nasa.gov/catalog/PIA15678
Center: https://photojournal.jpl.nasa.gov/catalog/PIA15673
Right: https://photojournal.jpl.nasa.gov/catalog/PIA14712 - Fig. 13.17: Left: https://photojournal.jpl.nasa.gov/catalog/PIA19534
Right: https://photojournal.jpl.nasa.gov/catalog/PIA15665 - Fig. 13.18: https://commons.wikimedia.org/wiki/File:TamentitMeteorite.JPG
- Fig. 13.19: Left: https://photojournal.jpl.nasa.gov/catalog/PIA02923
Right: https://photojournal.jpl.nasa.gov/catalog/PIA03147 - Fig. 13.20: https://commons.wikimedia.org/wiki/File:Eugene_Shoemaker.jpg
- Fig. 13.21: https://commons.wikimedia.org/wiki/File:BennuAsteroid.jpg
- Fig. 13.22: https://www.nhm.ac.uk/discover/news/2020/october/nasas-osiris-rex-spacecraft-make-history-asteroid-bennu-touch-down.html
- Fig. 13.23: https://www.flickr.com/photos/47445767@N05/14609129767
- Fig. 13.24: https://www.flickr.com/photos/47445767@N05/14601454299
- Fig. 13.25: https://commons.wikimedia.org/wiki/File:Comet-Hale-Bopp-29-03-1997_hires_adj.jpg
- Fig. 13.26: https://en.wikipedia.org/wiki/File:Iss030e015472_Edit.jpg
- Fig. 13.27: Left: https://commons.wikimedia.org/wiki/File:Comet_Hale-Bopp_1995O1.jpg
Right: see presentation slides; https://commons.wikimedia.org/wiki/File:Comet_Parts.svg - Fig. 13.28: https://www.esa.int/ESA_Multimedia/Images/2014/09/Comet_on_19_September_2014_NavCam
- Fig. 13.29: https://commons.wikimedia.org/wiki/File:Comet_Hartley_2.jpg
- Fig. 13.30: https://commons.wikimedia.org/wiki/File:Comet_Kohoutek_(S74-17688).jpg
- Fig. 13.31: https://soho.nascom.nasa.gov/gallery/images/comet2010.html
- Fig. 13.32: https://hubblesite.org/contents/media/images/1994/26/168-Image.html
- Fig. 13.33: https://hubblesite.org/contents/media/images/1994/34/179-Image.html
- Fig. 13.34: https://photojournal.jpl.nasa.gov/catalog/PIA02137
- Fig. 13.35: https://apod.nasa.gov/apod/ap171215.html
- Fig. 13.36: https://pixabay.com/photos/railway-rocks-sunset-sun-sunlight-1555348/
- Fig. 13.37: https://www.eso.org/public/images/eso1820a/
- Fig. 13.38: https://hubblesite.org/contents/media/images/2019/53/4578-Image
- Fig. 13.39: https://commons.wikimedia.org/wiki/File:Brian_May.JPG
- Fig. 13.40: https://commons.wikimedia.org/wiki/File:Tunguska_event_fallen_trees.jpg (Note: Following publication of Astronomy: The Human Quest for Understanding the public domain status of this image has been called into question. Other, similar images from the Kulik expedition are still considered to be in the public domain; see e.g., https://commons.wikimedia.org/wiki/File:Tunguska_Ereignis.jpg.)
- Fig. 13.41: https://commons.wikimedia.org/wiki/File:Kulik_Leonid_Alekseevich.jpg
- Fig. 13.42: https://newsreleases.sandia.gov/releases/2007/asteroid.html
- Fig. 13.43: https://en.wikipedia.org/wiki/File:%D0%92%D0%B7%D1%80%D1%8B%D0%B2_%D0%BC%D0%B5%D1%82%D0%B5%D0%BE%D1%80%D0%B8%D1%82%D0%B0_%D0%BD%D0%B0%D0%B4_%D0%A7%D0%B5%D0%BB%D1%8F%D0%B1%D0%B8%D0%BD%D1%81%D0%BA%D0%BE%D0%BC_15_02_2013_avi-iCawTYPtehk.ogv
- Fig. 13.44: https://commons.wikimedia.org/wiki/File:2_Cheljabinsk_meteorite_fragment.jpg
- Fig. 13.45: https://www.usgs.gov/programs/national-geospatial-program/national-map
- Fig. 13.46: https://photojournal.jpl.nasa.gov/catalog/PIA13593
- Fig. 13.47: Left: https://photojournal.jpl.nasa.gov/catalog/PIA19445
Center: https://photojournal.jpl.nasa.gov/catalog/PIA14008
Right: https://photojournal.jpl.nasa.gov/catalog/PIA21237 - Fig. 13.48: see presentation slides; https://cneos.jpl.nasa.gov/fireballs/
- Fig. 13.49: see presentation slides