They put people in a big thing next to a volcano to ive them a taste of what its like living on mars.
Getting to mars would take 1-3 years.
You have to eat the same food at mars
How much will our population get when we have the red planet ( Mars )
What are the mars suits made of.
I understand that it would take 1-3 years on earth for them to get on mars, and having to eat the same disgusting food every day.