https://www.wired.com/2012/06/the-last-manned-mars-plan-1971/ // https://www.nasa.gov/sites/default/files/atoms/files/19690804_manned_mars_landing_presentation_to_the_space_task_group_by_dr._wernher_von_braun.pdf // https://www.lpi.usra.edu/lunar/strategies/HumanstoMars.pdf

https://www.wired.com/2012/06/the-last-manned-mars-plan-1971/

https://image.gsfc.nasa.gov/poetry/venus/q2811.html

https://image.gsfc.nasa.gov/poetry/venus/q2811.html

https://www.bbc.com/news/science-environment-41441877

https://www.npr.org/2022/03/17/1087167893/elon-musk-mars-2029?t=1648762709380 // https://twitter.com/elonmusk/status/1504173360456077313?s=20&t=-FcFzJtHzsrNxUf6DYG1-g

https://www.nasa.gov/press-release/nasa-outlines-challenges-progress-for-artemis-moon-missions

https://www.spiegel.de/spiegel/ulrich-walter-wann-menschen-auf-dem-mars-landen-werden-a-1121332.html

https://ge.usembassy.gov/biden-is-committed-to-nasas-artemis-program-for-the-moon-and-beyond/

https://www.nasa.gov/press-release/nasa-provides-update-to-astronaut-moon-lander-plans-under-artemis