https://www.mining.com/mining-moon-ready-lift-off-2025/

https://www.futuretimeline.net/21stcentury/2030-2039.htm

https://www.independent.co.uk/news/science/mars-distance-how-long-to-get-there-far-away-space-astronaut-nasa-a9186866.html

https://en.wikipedia.org/wiki/Timeline_of_the_far_future

https://en.wikipedia.org/wiki/World_population_milestones