The Rocket That Took Tortoises to the Moon

Months before Apollo 8 took humans around the Moon for the first time, two Russian tortoises (plus some other lunar tourists) had already made it back home. This was Zond 5 — the first mission to return to Earth after visiting another celestial body.

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Sources
https://www.discovermagazine.com/the-sciences/the-first-earthlings-around-the-moon-were-two-soviet-tortoises
https://www.ilslaunch.com/launch-services/ils-proton-breeze-m-launch-vehicle/proton-heritage/
https://www.britannica.com/technology/Proton-Russian-launch-vehicle
https://www.russianspaceweb.com/proton_stage1.html
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https://www.russianspaceweb.com/proton_origin.html
https://pubmed.ncbi.nlm.nih.gov/35001299/
https://www.acs.org/molecule-of-the-week/archive/d/dimethylhydrazine.html
https://www.theatlantic.com/technology/archive/2012/12/who-was-first-in-the-race-to-the-moon-the-tortoise/266665/
https://www.nasa.gov/sites/default/files/atoms/files/beyond-earth-tagged.pdf
https://repository.si.edu/bitstream/handle/10088/32682/1970.SHIS24.pdf?sequence=1&isAllowed=y
https://nssdc.gsfc.nasa.gov/nmc/spacecraft/display.action?id=1968-076A
https://europepmc.org/article/med/11942358
https://www.amusingplanet.com/2020/08/of-mice-men-and-moon-short-history-of.html
https://arstechnica.com/science/2022/01/after-six-decades-russia-will-build-its-final-proton-rocket-this-year/
Proton ending: https://jalopnik.com/russia-will-stop-building-their-53-year-old-workhorse-p-1827147030

IMAGES

https://www.nasa.gov/image-feature/apollo-8-earthrise
https://www.inaturalist.org/photos/269542497
https://commons.wikimedia.org/wiki/File:Proton_Zvezda_crop.jpg
https://en.wikipedia.org/wiki/File:Launch_Vehicle_%22Verticalization%22,_Proton-M.jpg
https://commons.wikimedia.org/wiki/File:Falcon_9_first_stage_in_hangar;_upgraded_Merlin_engines_close-up_(24175842635).jpg
https://commons.wikimedia.org/wiki/File:First_stage_Proton_M_cropped.jpg
https://www.esa.int/ESA_Multimedia/Images/2016/03/Proton_rocket_moved_into_vertical_position
https://commons.wikimedia.org/wiki/File:Shuttle_Main_Engine_Test_Firing.jpg
https://www.nasa.gov/content/liquid-hydrogen-the-fuel-of-choice-for-space-exploration
https://www.nasa.gov/exploration/systems/sls/we-have-ignition-nasa-space-launch-system-rs-25-engine-fires-up-for-third-test-in-series.html
https://commons.wikimedia.org/wiki/File:Proton_with_Granat.jpg
https://commons.wikimedia.org/wiki/File:Testudo_horsfieldii;_Baikonur_001.jpg
https://www.gettyimages.com/detail/photo/hermanns-tortoise-eating-lettuce-royalty-free-image/1425500206?phrase=tortoise+eating&adppopup=true
https://www.gettyimages.com/detail/video/russian-tortoise-eat-vegetable-stock-footage/1334687342?adppopup=true
https://www.nasa.gov/content/an-orange-a-day-keeps-scurvy-away
https://en.wikipedia.org/wiki/File:Ap8-KSC-68PC-147.jpg
https://commons.wikimedia.org/wiki/File:Pacific_pocket_mouse_4.jpg
https://www.nasa.gov/mission_pages/station/structure/iss_assembly_1ar.html
https://en.wikipedia.org/wiki/File:On_the_launch_pad.jpg
https://en.wikipedia.org/wiki/File:Launch_of_Falcon_9_carrying_CASSIOPE_(130929-F-ET475-012).jpg