Ten real historic telescopes and museum installations: Galileo's telescope, the Leviathan of Parsonstown, the Great Melbourne Telescope, the Yerkes refractor, the Hooker telescope, Greenwich instruments, the Crossley reflector, and the Lowell astrograph. Photograph credits: 1. File:Galilei's newer telescope, part with lens, Museo Galileo, Florence, Inv. 2427, 224092.jpg; Zde; CC BY-SA 4.0; https://creativecommons.org/licenses/by-sa/4.0; https://commons.wikimedia.org/wiki/File:Galilei's_newer_telescope,_part_with_lens,_Museo_Galileo,_Florence,_Inv._2427,_224092.jpg; Scaled and letterboxed into 9:16 preview with title/caption bars 2. File:Leviathan of Parsonstown.jpg; DixonD; CC BY-SA 4.0; https://creativecommons.org/licenses/by-sa/4.0; https://commons.wikimedia.org/wiki/File:Leviathan_of_Parsonstown.jpg; Scaled and letterboxed into 9:16 preview with title/caption bars 3. File:Great Melbourne Telescope 1880.jpg; Museums Victoria; Public domain worldwide, released by Museums Victoria; https://commons.wikimedia.org/wiki/File:Great_Melbourne_Telescope_1880.jpg; https://commons.wikimedia.org/wiki/File:Great_Melbourne_Telescope_1880.jpg; Resized and letterboxed for vertical video; historical image replaces U.S.-only public-domain source 4. File:Yerkes 40 inch Refractor Telescope-1897.jpg; Unknown author Unknown author; Public domain; https://commons.wikimedia.org/wiki/File:Yerkes_40_inch_Refractor_Telescope-1897.jpg; https://commons.wikimedia.org/wiki/File:Yerkes_40_inch_Refractor_Telescope-1897.jpg; Scaled and letterboxed into 9:16 preview with title/caption bars 5. File:100 inch Hooker Telescope 900 px.jpg; Ken Spencer; CC BY-SA 3.0; https://creativecommons.org/licenses/by-sa/3.0; https://commons.wikimedia.org/wiki/File:100_inch_Hooker_Telescope_900_px.jpg; Scaled and letterboxed into 9:16 preview with title/caption bars 6. File:28-inch telescope at Greenwich 1.jpg; Photograph by Mike Peel ( www.mikepeel.net ).; CC BY-SA 4.0; https://creativecommons.org/licenses/by-sa/4.0; https://commons.wikimedia.org/wiki/File:28-inch_telescope_at_Greenwich_1.jpg; Scaled and letterboxed into 9:16 preview with title/caption bars 7. File:Crossley Telescopio.jpeg; David McInnis; Public domain; https://commons.wikimedia.org/wiki/File:Crossley_Telescopio.jpeg; https://commons.wikimedia.org/wiki/File:Crossley_Telescopio.jpeg; Scaled and letterboxed into 9:16 preview with title/caption bars 8. File:Abbot L. Lowell Astrograph - Flickr - brewbooks.jpg; brewbooks from near Seattle, USA; CC BY-SA 2.0; https://creativecommons.org/licenses/by-sa/2.0; https://commons.wikimedia.org/wiki/File:Abbot_L._Lowell_Astrograph_-_Flickr_-_brewbooks.jpg; Scaled and letterboxed into 9:16 preview with title/caption bars 9. File:Great Equatorial Telescope, Greenwich 02.jpg; Jordiferrer; CC BY-SA 4.0; https://creativecommons.org/licenses/by-sa/4.0; https://commons.wikimedia.org/wiki/File:Great_Equatorial_Telescope,_Greenwich_02.jpg; Scaled and letterboxed into 9:16 preview with title/caption bars 10. File:Telescope at Scienceworks, Melbourne.jpg; Doug butler; CC BY-SA 4.0; https://creativecommons.org/licenses/by-sa/4.0; https://commons.wikimedia.org/wiki/File:Telescope_at_Scienceworks,_Melbourne.jpg; Scaled and letterboxed into 9:16 preview with title/caption bars