How old are you, to ask a question like that?
I’m old enough to remember a certain porch-sitting group of society, wailing that the money to go to the Moon, was ‘nuttin’ but a waste of money, d’at coulda bin spint on me!’
It’s amazing, that with all the acquired knowledge about the planets, space travel, and space exploration available to you, through the same keyboard you used to type such a question!
Remeber them? They are still around and they are posting this very morning. My favorite (from a NYT comment page): "they could have bought 200,000 new cars for all us poor folks for what it cost to put a car on Mars!"