1960s Quote by Edgar Mitchell

You need propellants to accelerate toward Mars, then to decelerate at Mars, again to re-accelerate from Mars to Earth, and finally to decelerate back…

— Buzz Aldrin

I think we know how to do Mars.

— Mae Jemison

“Nuclear rockets capable of sending a fully equipped colony to Mars in one shot were designed.”

— James Mahaffey

Chemical propulsion is obsolete to go anywhere other than the moon. Three days - that's acceptable. But for Mars, we need propulsion technologies to…

— Anonymous

The revolutionary breakthrough will come with rockets that are fully and rapidly reusable. We will never conquer Mars unless we do that. It'll be…

— Elon Musk

It was obvious to me that we could never colonize Mars without reusability, any more than America would have been colonized if they had…

— Elon Musk

“Letter to the tech giants: When fame and abundance kiss somebody’s feet before that person is wise enough, he or she is very likely…

— Abhijit Naskar

Perhaps the best motivation for going to Mars is political. It is obvious that no single nation currently has either the will or the…

— Paul Davies

It's not a matter of if we're going to go to Mars, it's a matter of when.

— Anne McClain

For decades, people have known the chemical-propulsion approach to space travel is really not going to get us that far. Chemical propulsion is essentially…

— Franklin Chang Diaz

I believe the biggest impediment we have right now with going to Mars is public commitment. More people need to see themselves as a…

— Mae Jemison

Sometimes people talk about conflict between humans and machines, and you can see that in a lot of science fiction. But the machines we're…

— Ray Kurzweil