Why doesn't NASA use centrifugal force to simulate artificial gravity similar to that in a carnival ride that spins really fast in the International Space Station? - Quora
How much does it cost per pound to send people into orbit? How much to send them to the Moon and back? - Quora
![OC] The cost of launching things into space (per kilogram) to lower earth orbit (altitude < 1200 miles) was almost stagnant for 40 years before SpaceX entered the space (pun intended) and OC] The cost of launching things into space (per kilogram) to lower earth orbit (altitude < 1200 miles) was almost stagnant for 40 years before SpaceX entered the space (pun intended) and](https://i.redd.it/ehxqmyfpgle71.jpg)
OC] The cost of launching things into space (per kilogram) to lower earth orbit (altitude < 1200 miles) was almost stagnant for 40 years before SpaceX entered the space (pun intended) and
![UPDATE: NASA scrubs second launch attempt of Artemis I due to large liquid H2 leak | Fierce Electronics UPDATE: NASA scrubs second launch attempt of Artemis I due to large liquid H2 leak | Fierce Electronics](https://qtxasset.com/cdn-cgi/image/w=384,h=216,f=auto,fit=crop,g=0.5x0.5/https://qtxasset.com/quartz/qcloud4/media/image/artemis%20I%20scrubbed%20second%20time.jpg?VersionId=mgRgVhQkrWN8PJRoX5mA_mjYb7Q9OB8C)